This top-mount sand filter uses the latest pool filter technology with fashion designMolded of durable, corrosion-proof polymeric material, filters feature attractive, unitized tank construction for high rate, all-weather operation with minimal careApplication: Swimming pools of all types and sizesIn-ground spas (residential or commercial)Water features (fish ponds, fountains, water gardens)Product Features:Flange clamp design allows any rotation of valve to plumbingSmart top diffuser ensures even distribution of water over the top of the sand media bed, which provides smooth, Free flowing performanceDesigned drain fro rapid winterizing or servicingPrecision engineered self cleaning laterals for balanced flow, backwashing and easy serviceabilityPerformance data: Effective filtration area: 1.8 ft sq.Design flow rate: 35 gpmTurnover (in gallons): 8-hour: 16 80010-hour: 21 00012-hour: 25 200Technical data: Filter diameter: 18"Pipe diameter: 1.5"Max working pressure: 50 psiSand required: 110 lbs.Note: Sand is not included