Design- Design High efficiency and low maintenance Durable Cleaner - More durable than those cleaners made of thinner PVC Simple Design - There are no wheels to jam, no gears to break Its smart design for easy maintenance Existing Filtration System - Attaches to your existing filtration system. Acts like moving drain, moving more water through the filtration system over a shorter period of time Requirement - Require at least a 3/4 hp swimming pool pump or 1600ghp to function properly Great Energy Saver - The devices navigate around the water by themselves. This means that your pool stays clean without the need to expend your time and effort dragging cleaning implements through the waters Able to Clean Gently and Thoroughly - Soft and thickened pleated seal(base plate) to clean your swimming pool gently and thoroughly, regardless of size, shape, or construction. Clean your pool from top to bottom automatically and effortlessly Effective - Clean a variety of different types of debris from the pool including leaves, twigs, algae and numerous other particles. This can prevent a build-up of debris which could cause damage to the integrity of your pool Recommend for swimming pool up to 16' x 32' No tools required / No electricity needed Package Content: Pool Cleaner Hoses Sets Regulator Valve Manual.