Doheny's 13-in Above Ground Sand Filter Includes 13-in Sand Tank, .35 HP Pump, Base, 4 way valve and 1.25-in hose Flow Rate is 26 GPM or 12,500 gallons in 8 hours Made from blow-molded polyethylene and will never rust All fittings threaded 1-1/2-in Fully integrated with pump pressure valve