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The Dolphin Explorer E20 is Maytronics' entry-level robotic pool cleaner, built for pools up to 33 feet. It scrubs floors and walls with an active brush that spins at twice the robot's travel speed, and it runs without hoses or a booster pump. Setup takes minutes and the unit weighs about 14 pounds, so it is easy to lift in and out. Against pricier Dolphins it gives up app control, scheduling and a swivel cable, but it covers the core job of wall-and-floor cleaning for owners who want a robot without the extras.
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Lowest price we've seen: $668.00 on Nov 11 at Home Depot. Tracked across 11 stores since Nov 11.
Owner feedback on the Explorer E20 is generally positive for its class: people say it climbs walls, picks up leaves and sand, and is simple to drop in and clean. Complaints center on the fixed cleaning pattern, cord tangling and the coarse basket missing fine debris.
The Maytronics Dolphin Explorer E20 is a robotic pool cleaner for above ground and inground pools. It cleans the floor and walls and removes dirt, algae, and bacteria from pool surfaces. It is designed for pools up to 33 feet in length.
An active brush spins at twice the speed of the robot. The cleaner has an easy-to-clean net basket and uses a fine filter kit. It installs in minutes without tools or hoses and weighs 14.3 lbs.
The default cycle time is 2 hours, and a weekly timer is included. It has no delay feature, mobile app, or anti-tangling swivel. It comes with a 2-year manufacturer's warranty.

