The DuraMAX Duo can focus on in-ground commercial sized pools approximately 164 in length. It can filter and clean the pool floor and walls. The direct contact scrubber brushes and hydro scrubbing power washing jets insure a deeper clean than ever before. The DuraMAX Duo can filter 9,600 gallons of water per hour. Equipped with 2 fine high capacity filter bags it can trap particles up to 2 microns in size. With a patented Never Stuck system and a 4 directional remote control system you have the power to set the timer for however long you need it to run.