SWIMMING POOL SAND FILTER: 1.35 feet filter area is optimal for above-ground pools INTEGRATED WATER DIFFUSER: Top diffuser ensures even distribution of water over the top of the sand media bed to ensure proper filtering EASY INSTALLATION: Flange clamp design allows 360 rotation so you can easily hook up your filter DURABLE: Polymeric material construction is corrosion-resistant and lasts for years of quality use REQUIRES SAND: Filter uses 100 lbs of #20 silica sand
