The Lil' Shark AutoVac makes the task of vacuuming your Splash pool effortless. This is a quality suction side vac that hooks up to the vac plate that comes standard with all Splash pools with skimmers. The hose that comes with the AutoVac will accomodate up to a 13x25 pool. For a 17x29 you will need to purchase additional 8' extension hose. For a 21x41 you will need to purchase the additional 20' extension hose.