Intex Krystal Clear Sand Filter Pump

Keep your pool clean and crystal clear while saving on cost and time. Sand used as the filter (not included) removes debris and other particles and needs replacement just once every 5 years. Hydro Aeration technology provides improved circulation and filtration for greater water clarity. Has 4 functions including filtration, circulation, backwash and drain. Automatically turns on and off each day with the digital timer, which can be run for up to 12 hours. 550 gph flow rate. For pools up to 4400 gallon capacity. 18" w x 14" h x 12" d.