If you own a fiberglass pool, you know the importance of gentle yet effective cleaning. The smooth, non-porous surface is prone to scratches from abrasive brushes or harsh chemicals, so choosing the right cleaner is critical. This guide covers the best Aiper cordless pool cleaners designed specifically for fiberglass pools, highlighting models with soft brushes, intelligent navigation, and fine filtration that protect your investment. For those with saltwater fiberglass pools, check out our Best Aiper Robotic Pool Cleaners for Saltwater Pools in 2026 for saltwater-specific recommendations.
Pros
- Powerful 1200GPH suction for thorough debris removal
- Cordless with 90-minute runtime, covers up to 860 square feet
- Self-parking and fast drainage simplify maintenance
- Lightweight and compact design for portability
Cons
- Designed for above ground pools only, not suitable for in-ground models
- No user reviews yet, so long-term durability is unproven
- Battery runtime may limit extra-large pools beyond 860 square feet
The AIPER Scuba SE is a cordless robotic pool vacuum built specifically for above ground pools up to 860 square feet. It targets pool owners who want to eliminate manual scrubbing and cord tangles without investing in a high-end in-ground system. With a powerful 1200GPH motor, it lifts and traps dirt, leaves, and debris from the pool floor with minimal effort.
In real-world use, the 90-minute battery provides enough run time to cover a standard above ground pool completely. The strong suction is the standout feature, handling leaves and fine debris alike. The self-parking function returns the unit to its starting point when the cycle finishes, so you simply pull it out and drain it.
Design and build quality are practical and user-focused. The cordless body weighs only 8.8 pounds and has a slim footprint, making it easy to maneuver and store. The fast drainage system pushes out 90% of the water in 15 seconds, which is a great convenience for post-cleaning portability.
The main limitation is compatibility: this model is designed exclusively for above ground pools, so in-ground pool owners should look elsewhere. Additionally, there are no user reviews available yet, which means long-term reliability is still unproven. The 860 square foot coverage is generous, but larger pools may require a second charge.
Overall, the AIPER Scuba SE offers a compelling blend of suction power, cordless convenience, and smart features at a reasonable price point. It is a solid choice for above ground pool owners who value automated cleaning and easy maintenance. If you want a dependable, low-hassle pool vacuum, this model deserves strong consideration.
Color: Silver
Dimensions: 13.4 x 13.2 x 6.8 inches
Weight: 8.8 pounds
Battery: 90 minutes
Coverage: Up to 860 square feet
Suction: 1200 GPH
Compatibility: Above ground pools
Pros
- Cordless design eliminates tripping hazards and simplifies storage.
- Long 150-minute runtime handles large pools without recharging.
- Effective on walls and waterline, reducing manual scrubbing.
- Works on various pool surfaces and shapes.
- Quiet operation compared to pressure-side cleaners.
Cons
- No smart features like app control or programmable scheduling.
- May struggle with large leaves or heavy debris compared to dual-motor models.
- Price point is higher than basic suction-side cleaners.
The Aiper Scuba S1 2024 is a cordless robotic pool cleaner designed for hassle-free maintenance. It targets pool owners with inground or above ground pools up to 1600 square feet who want to avoid tangled hoses and power cords. This model builds on Aiper's reputation for reliable, easy-to-use cleaners.
Standout features include a 150-minute runtime that covers most residential pools in a single charge. The powerful suction effectively cleans the floor, walls, and waterline, reducing the need for manual brushing. In real-world use, the Scuba S1 navigates well and picks up fine dirt and small debris, though large leaves may require extra passes.
Build quality is solid with a lightweight 18-pound body that is easy to lift and store. The graphite gray finish looks sleek and resists pool chemicals. The cordless design is a major convenience, eliminating tripping hazards and allowing you to set it and forget it.
One potential drawback is the lack of smart connectivity: there is no app control or programmable timer. Additionally, the price is higher than basic suction-side cleaners, though the cordless freedom and performance justify the cost for many users.
Overall, the Aiper Scuba S1 2024 is an excellent choice for pool owners seeking a simple, effective cordless cleaner. It delivers strong cleaning performance and long runtime, making pool maintenance much less of a chore.
Brand: Aiper
Model: Scuba S1 (2024)
Color: Graphite Gray
Dimensions: 15 x 8.5 x 17.5 inches
Weight: 18 pounds
Runtime: 150 minutes per charge
Pool Compatibility: Inground and above ground pools up to 1600 sq ft
Cleaning Coverage: Floor, walls, waterline
Power Source: Cordless (rechargeable battery)
Pros
- Lightweight and easy to lift out of the pool
- Effective waterline scrubbing cleans scum and pollen lines
- Dual filtration traps fine particles for visibly clearer water
- Long runtime in ECO mode reduces charging frequency
- App control offers convenient scheduling and status updates
Cons
- No real-time remote control while the robot is submerged
- Relies on app for controls; no included physical remote
- Only compatible with inground pools, not above-ground
The Aiper Scuba S3 is a robotic pool cleaner designed specifically for all inground pools. It targets pool owners who want a hassle-free, automated solution for keeping their pool floors and waterline clean without constant manual effort.
Its standout feature is the intelligent waterline scrubbing, which moves sideways at a steady speed to target scum lines above the water. Combined with smart sensor path planning, it covers floors systematically, even in irregularly shaped pools. Dual ultra-fine filtration ensures both large debris and microscopic particles are captured, leaving the water visibly clearer.
Weighing only 18 pounds, the Scuba S3 is surprisingly lightweight and easy to lift out of the pool. The durable construction and responsive customer support suggest long-term reliability. The app interface provides convenient scheduling and status updates, though real-time control is not available while the robot is submerged.
One limitation is the lack of real-time remote control during cleaning, which may disappoint users who prefer active guidance. Additionally, the robot is only compatible with inground pools, so above-ground pool owners need to look elsewhere. The price point is premium, but the feature set justifies the investment for those seeking advanced automation.
Overall, the Aiper Scuba S3 delivers a thorough cleaning experience with minimal user intervention. Its waterline scrubbing, dual filtration, and long runtime make it a strong contender in the robotic pool cleaner market. While it has a few minor drawbacks, it is an excellent choice for inground pool owners wanting a smart, efficient cleaner.
Dimensions: 15 x 8.5 x 17.5 Inches
Weight: 18 pounds
Color: Obsidian
Compatible with all inground pools
Runtime: Up to 240 minutes in ECO mode
Filtration: 180-micron mesh + 3-micron ultra-fine layer
Pros
- Cordless and lightweight, no hose management
- 90-minute runtime covers up to 860 sq ft
- Auto-parking at the pool edge makes retrieval convenient
- Dual modes adapt to daily or deep cleaning
- Simple one-button operation
Cons
- Best suited for flat floors, not ideal for sloped walls or uneven pool surfaces
- No remote control, app, or programmable scheduling
- Small debris basket may require frequent emptying during heavy leaf seasons
The Aiper Scuba SE is a cordless robotic pool vacuum engineered for above-ground pools and flat-floor inground pools up to 860 square feet. It is ideal for pool owners who want a lightweight, hassle-free cleaner without hoses, pumps, or complicated installation.
Dual cleaning modes are the standout feature. A short press toggles between daily and deep cleaning, so you can match suction power to the debris level. With up to 90 minutes of runtime, the Scuba SE covers the entire pool floor on a single charge and works well for routine maintenance or after a party.
The build quality feels solid for its compact size. The dark gray and cyan design is easy to spot in the water, and the unit weighs little enough to lift out and store. Smart auto-parking is a practical touch: when the battery runs low, the robot moves to the edge for easy, dry retrieval with an audio alert.
One limitation is that this model is designed for flat floors, so it may struggle on sloped walls or uneven pool surfaces. It also lacks app control, remote control, and scheduling options, which some competitors offer. Pools larger than 860 square feet will need a bigger or second unit.
Overall, the Aiper Scuba SE is an excellent value for small to mid-size pools. It delivers powerful suction, smart convenience, and genuine cordless freedom in a compact package. If you want a simple, effective pool vacuum without the cord and clutter, this is a strong choice.
Color: Dark Gray & Cyan
Dimensions: 13.7 x 13.2 x 6.8 inches
Compatible Pool Types: Above-ground and flat-floor inground pools
Max Cleaning Area: 860 square feet
Runtime: 90 minutes
Power: Cordless, battery powered
When choosing a robotic pool vacuum, start with your pool type and size. The Aiper Scuba SE handles above-ground pools and flat-floor inground pools up to 860 square feet, so confirm your pool fits within that range.
Consider floor surface: this model is best for flat, smooth floors. If your pool has steep walls, curved surfaces, or an irregular floor, look for a robot designed for wall climbing and contours.
Think about convenience. The Scuba SE offers cordless operation, one-button mode switching, and auto-parking for easy retrieval. If you need scheduling or app control, explore higher-end models with smart connectivity.
Pros
- True 24/7 operation thanks to solar charging and long battery backup
- Easy app control for scheduling, steering, and monitoring from anywhere
- Effective debris capture with 150-micron filter and anti-leak design
- Anti-stuck mechanism reduces interruptions and manual intervention
- Built to last with corrosion-resistant motors and UV-resistant materials
Cons
- Solar charging depends on sunlight; performance may drop in consistently overcast conditions
- No user reviews yet, so real-world reliability is unconfirmed
- May require initial setup and app configuration for optimal use
The AIPER EcoSurfer S2 is a solar-powered robotic pool skimmer designed for pool owners who want continuous surface cleaning without the hassle of cords or frequent battery changes. It targets those seeking an eco-friendly, low-maintenance solution that works around the clock, especially in sunny climates.
Its standout feature is the 24/7 performance enabled by solar panels and a backup DC charge that lasts up to 35 hours. The 150-micron filtration system with DebrisGuard technology captures everything from leaves to fine particles, while the adjustable chlorine dispenser helps maintain water clarity. The app adds convenience with remote steering, scheduling, cleaning history, and real-time obstruction alerts.
Design and build quality are robust: twin salt-chlorine tolerant motors and UV-resistant housing ensure durability in harsh pool environments. The four retractable anti-stranding columns effectively prevent the robot from getting stuck on steps or obstacles, and the dual sensor obstacle avoidance system improves cleaning coverage and efficiency.
Potential drawbacks include reliance on sufficient sunlight for optimal solar charging, though the battery backup mitigates this. As a new model with no customer reviews yet, long-term reliability is unproven. Setup and app configuration may have a learning curve for some users.
Overall, the AIPER EcoSurfer S2 offers a compelling package for pool owners wanting an autonomous, solar-powered skimmer with smart features. Its combination of continuous cleaning, app control, and durable construction makes it a strong contender in the robotic pool cleaner market, provided you have adequate sunlight and are comfortable with app-based operation.
Color: Gray
Dimensions: 16.3 x 7.9 x 21.3 inches
Weight: 12.6 pounds
Product Group: Lawn & Patio
Binding: Lawn & Patio
Filtration: 150-micron with DebrisGuard anti-leak design
Chlorine Dispenser: Holds 3-inch diameter, 1-inch thickness tablets
Battery: Solar charging + DC adapter backup, up to 35 hours runtime
Motors: Twin Salt Chlorine Tolerant motors
Warranty: 24-month product care
Pros
- AI-powered navigation dramatically speeds up cleaning and targets debris efficiently.
- Autonomous weekly scheduling and self-retrieval provide a truly hands-free experience.
- Wireless charging dock eliminates messy cables and connector corrosion.
- Multi-layer filtration captures both large debris and fine particles for superior water clarity.
- Lightweight design simplifies handling and storage.
Cons
- High upfront cost compared to manual or basic robotic cleaners.
- Requires initial setup of AI Navium Mode to learn pool characteristics.
- No reviews yet, so real-world performance is unverified.
The AIPER Scuba V3 is a cutting-edge cordless robotic pool cleaner that leverages AI vision technology to automate pool maintenance. It is designed for pool owners who want a set-and-forget solution that delivers superior cleaning without manual effort.
The standout feature is the AI Patrol System, which uses a front-facing camera to identify over 20 types of debris and navigate directly to them, promising up to ten times faster cleaning. The Cognitive AI Navium Mode further enhances convenience by creating weekly cleaning plans tailored to your pool's size and usage patterns.
The Scuba V3 features a featherlight design at just over 18 pounds, making it easy to deploy and store. The wireless charging dock is a welcome addition, allowing for hassle-free charging without exposed connectors. The MicroMesh Multi-Layer Filtration system ensures both large debris and microscopic contaminants are trapped.
At nearly $1,400, the Scuba V3 represents a significant investment. Additionally, the AI features require an initial learning period to optimize cleaning schedules. As a new product, there are no user reviews yet, so long-term reliability remains to be seen.
Overall, the AIPER Scuba V3 is an impressive leap forward in robotic pool cleaning technology. Its AI-driven navigation and autonomous operation make it ideal for busy pool owners seeking a truly hands-free experience. If you are willing to invest in premium convenience, this cleaner is a strong contender.
Pros
- Efficient WavePath navigation covers pool floor, walls, and waterline thoroughly.
- Long 150-minute battery life allows cleaning of large pools without interruption.
- Fast 3-4 hour recharge minimizes downtime between cleaning cycles.
- Powerful quad-motor system captures a wide range of debris, from fine dirt to large branches.
- Wall-climbing ability and three cleaning modes provide versatile cleaning options.
Cons
- No customer reviews yet, so real-world performance is unverified.
- Only suitable for inground pools up to 1,600 sq.ft; larger pools may require multiple cycles.
- Cordless design means the unit must be manually retrieved from the pool after cleaning.
The AIPER Seagull Pro is a cordless robotic pool cleaner designed for inground pools up to 1,600 square feet. It targets pool owners who want an automated, hassle-free cleaning solution without the need for hoses or external pumps. With its quad-motor system and WavePath navigation, it promises thorough cleaning of the pool floor, walls, and waterline.
Standout features include the smart WavePath navigation, which uses four motors to optimize cleaning paths for efficiency and coverage. The wall-climbing capability, powered by a four-wheel drive, allows it to scrub the waterline and climb walls effectively. Users can choose from three cleaning modes: Floor, Wall, or Auto, giving them flexibility to target specific areas. The quad-motor setup delivers up to 196W of power, filtering 80 gallons of water per minute and capturing debris like leaves, dirt, pebbles, and branches.
Design and build quality are solid, with a compact form factor (16 x 10 x 16 inches) and a green and grey color scheme. The 7,800mAh battery provides up to 150 minutes of runtime, which is ample for most medium-sized pools, and recharges fully in 3-4 hours. The cordless design eliminates tangled cords and hoses, but it does require the user to retrieve the unit from the pool after cleaning.
Potential drawbacks include the lack of customer reviews, making it difficult to gauge long-term reliability. Additionally, the pool cleaner is limited to inground pools up to 1,600 sq.ft, so owners of larger pools may need to run it multiple times. The price point is competitive, but some users may find it costly compared to manual cleaning options.
Overall, the AIPER Seagull Pro offers a compelling set of features for automated pool cleaning. Its efficient navigation, powerful suction, and long battery life make it a strong contender for anyone seeking to reduce pool maintenance time. The two-year warranty adds peace of mind. If you have an inground pool within the specified size range, this cordless robot is worth considering.
Pros
- Long 95-minute runtime covers large pools without interruption.
- Strong 1450 GPH suction handles debris effectively.
- Cordless operation means no tangled cords or limited reach.
- Auto-parking feature simplifies retrieval after cleaning.
- Quick drain system makes storage easy and convenient.
Cons
- Designed for above-ground pools only, not suitable for in-ground pools.
- Runtime may decrease in heavily soiled pools or with large debris.
- No advanced smart features like app control or scheduling.
The AIPER Scuba 2025 is a cordless robotic pool cleaner tailored for above-ground pools up to 860 sq ft. It is designed for pool owners who want a hassle-free, automatic cleaning solution without the hassle of cords or complicated setups. With its robust suction and long runtime, it promises to keep your pool water crystal clear and swim-ready.
Standout features include a powerful 1450 GPH suction that tackles leaves, dirt, and debris effectively. The 95-minute runtime ensures thorough cleaning on a single charge, covering even larger above-ground pools. The smart auto-parking function returns the cleaner to the poolside when the battery is low, making retrieval effortless. Additionally, the quick drain system removes 90% of water in just 15 seconds, so the unit is light and easy to store.
Design and build quality are solid for the price. The AIPER Scuba 2025 weighs only 7.5 pounds and has compact dimensions of 13.4 x 13.2 x 6.8 inches, making it manageable to handle. The black finish is sleek and unobtrusive. The cordless design is a major plus, eliminating tangles and allowing you to clean without being tethered to a power outlet.
Potential drawbacks include its limitation to above-ground pools; it is not suitable for in-ground pools. Also, the runtime may be shorter in very dirty pools or when dealing with heavy debris. There are no smart features like app control or scheduling, so you rely on the automatic cycle. However, for the price point, these are minor trade-offs.
Verdict: The AIPER Scuba 2025 offers excellent value for above-ground pool owners. It combines strong suction, long runtime, and convenient features like auto-parking and quick drain into a cordless package. If you want a reliable, easy-to-use pool cleaner without breaking the bank, this is a solid choice.
Pros
- Cordless design eliminates tangled cables and extends reach
- Integrated chemical dispenser reduces manual water treatment
- Long runtime covers most above-ground pools fully
- Lightweight and easy to lift, carry, and drain
Cons
- Designed only for flat above-ground pools, not for sloped or in-ground pools
- No advanced navigation features like mapping or app control
- Battery runtime may decrease over time with regular use
The AIPER Seagull SE is a cordless robotic pool vacuum built specifically for flat above-ground pools up to 860 square feet. It targets pool owners who want to skip manual cleaning and enjoy more leisure time. With a powerful 1320GPH suction and a built-in chemical dispenser, this robot handles both debris removal and water purification in one cycle.
In real-world use, the Seagull SE delivers consistent cleaning across flat pool floors, capturing leaves, dirt, and fine particles effectively. The 100-minute runtime is sufficient for most above-ground pools, and the auto self-parking feature ensures the robot stays near the wall for easy retrieval when the battery runs low. The one-touch start simplifies operation, making it accessible even for first-time robotic pool cleaner users.
Design-wise, the Seagull SE is lightweight at just 7.5 pounds and features a compact footprint (13.4 x 13.2 x 6.8 inches). The silver and cyan finish is modern and easy to spot in the water. The built-in LED indicator uses four colors to show battery level and cleaning status, adding convenience. The cordless design frees you from tangled hoses or limited reach, enhancing the user experience.
However, the Seagull SE is not suitable for sloped or in-ground pools, which limits its market. It also lacks advanced navigation features like mapping or app control, so cleaning patterns may not be as efficient as higher-end models. Additionally, the battery runtime may degrade over time, though the 1-year warranty provides some peace of mind.
Overall, the AIPER Seagull SE is a solid choice for above-ground pool owners seeking a hassle-free, cordless cleaning solution. Its combination of powerful suction, water purification, and lightweight design offers excellent value at its price point. While it has some limitations, it effectively delivers on its core promise of easier pool maintenance.
Pros
- Extended runtime up to 270 minutes in Eco Mode
- Comprehensive 4-zone cleaning including waterline and shallow areas
- Ultra-fine 3-micron filtration for crystal-clear water
- Smart navigation with 11 sensors for efficient coverage
- 2-year warranty and strong brand trust
Cons
- App connectivity required for Eco Mode and scheduling
- Shallow cleaning limited to areas above 12 inches
- Weighs 17 pounds, which may be heavy to lift out of the pool
The Aiper Scuba S1 is a 2026 upgrade to Aiper's popular robotic pool cleaner line. Designed for pool owners who want hands-free maintenance, it tackles floors, walls, waterline, and shallow areas. With a 270-minute runtime in Eco Mode, it suits both daily upkeep and deep cleaning sessions.
The Scuba S1 uses 11 high-precision sensors and dual-path algorithms for smart navigation. Its WavePath cleaning pattern minimizes overlap while adapting to your pool's layout in real time. The dual filtration system combines a 3-micron ultra-fine filter with a 180-micron standard filter to capture everything from fine dust to leaves.
Caterpillar Treads provide strong climbing ability and mobility, allowing the cleaner to transition smoothly from floor to walls. The unit weighs 17 pounds and measures 15.3 x 8.7 x 17.5 inches, making it sturdy but manageable. App support adds convenience with Eco Mode, scheduled cleaning, and a weekly custom plan.
The cleaner requires app connectivity to access Eco Mode and advanced scheduling, which may not appeal to users who prefer simple controls. Shallow area cleaning is limited to areas above 12 inches, so very shallow shelves may be missed. At 17 pounds, lifting it out of the pool for filter cleaning takes some effort.
Overall, the Aiper Scuba S1 offers comprehensive coverage, long runtime, and excellent filtration in one package. It is a strong choice for pool owners who want a reliable, app-enabled cleaner with minimal overlap and maximum convenience. The 2-year warranty adds peace of mind for long-term use.
Color: Black
Dimensions: 15.3 x 8.7 x 17.5 inches
Weight: 17 Pounds
Runtime: Up to 270 minutes in Eco Mode, 180 minutes in Auto, Floor, Wall, or Scheduled modes
Filtration: Dual-layer, 3-micron ultra-fine filter and 180-micron standard filter
Cleaning Zones: Floor, walls, waterline, shallow areas above 12 inches
Navigation: 11 high-precision sensors, WavePath pattern, adaptive dual-path algorithms
Warranty: 2-year
Buying Guide: What to Look for in a Cordless Pool Cleaner for Fiberglass Pools
Gentle Cleaning for Delicate Surfaces
Fiberglass pools require a cleaner that won’t scratch or damage the gel coat. Look for models with soft silicone or rubber brushes rather than stiff nylon bristles. The Aiper Scuba S3, for example, uses dual brushes that are gentle yet effective on fiberglass. Avoid cleaners with metal components or aggressive scrubbing mechanisms.
Navigation and Coverage
Fiberglass pools often have irregular shapes, steps, and benches. A cleaner with smart path planning and obstacle avoidance ensures every corner is covered. The Aiper Scuba S1 and Scuba V3 feature advanced sensors and AI navigation that adapt to your pool’s layout. For pools surrounded by trees, our Best Aiper Cordless Pool Cleaner for Pools with Trees in 2026 guide offers additional insights on handling leaf debris.
Filtration System
Fiberglass pools can accumulate fine dust and algae that cloud the water. A dual-layer filtration system with a fine micron rating (such as 3 microns) captures particles that standard filters miss. The Aiper Scuba S3 and Scuba V3 both offer replaceable ultra-fine filters, keeping your pool crystal clear without harsh chemicals.
Runtime and Battery Life
Larger fiberglass pools need a cleaner that can finish the job on a single charge. Look for runtimes of at least 90 minutes; models like the Aiper Scuba S1 provide up to 150 minutes in standard mode, while the upgraded Scuba S1 can run up to 270 minutes in eco mode. A longer runtime means fewer interruptions and a more thorough clean.
Final Thoughts
After evaluating the top Aiper cordless pool cleaners for fiberglass pools, we recommend the Aiper Scuba S3 Robotic Pool Cleaner for All for its smart sensor navigation, waterline scrubbing, and dual ultra-fine filtration that protects delicate fiberglass surfaces. For a more budget-friendly option that still delivers excellent performance, the AIPER Seagull Pro Cordless Robotic Pool Cleaner offers powerful wall-climbing and a long runtime, making it ideal for medium-sized fiberglass pools. Both models provide the gentle yet thorough cleaning your pool deserves.
Related Guides
- Best Cordless Pool Cleaners for the Money in 2026
- How Does a Cordless Robotic Pool Cleaner Work
- Aiper Seagull SE Review
Frequently Asked Questions
Can I use a robotic pool cleaner on a fiberglass pool?
Yes, robotic pool cleaners are safe for fiberglass pools as long as they have soft brushes and gentle navigation. Aiper models like the Scuba S3 and Seagull Pro are designed with non-abrasive materials that won’t scratch the gel coat. Always check the manufacturer’s recommendations before use.
What features should I look for in a cordless pool cleaner for fiberglass?
Prioritize soft silicone brushes, smart navigation to avoid obstacles, and a fine filtration system (3 microns or less) to capture fine debris. A long runtime (over 90 minutes) is also important for larger pools. For more tips, see our guide on Best Aiper Robot Pool Cleaner for Saltwater Pools in 2026.
How long does a cordless pool cleaner battery last?
Battery life varies by model. Entry-level Aiper cleaners like the Scuba SE provide around 90 minutes, while mid-range models like the Scuba S1 offer up to 150 minutes. The upgraded Scuba S1 can run up to 270 minutes in eco mode, making it suitable for larger fiberglass pools.
Are Aiper pool cleaners safe for fiberglass surfaces?
Yes, Aiper designs its cleaners with fiberglass-friendly materials. Models like the Scuba S3 and Scuba V3 use soft brushes and intelligent path planning to avoid aggressive scrubbing. Always follow the user manual for proper operation on fiberglass pools.
