Enjoy hours of outdoor fun with the Intex Prism Metal-Frame pool. It is constructed with puncture-resistant 3-ply durable material and strong powder-coated steel tubing. Hydro Aeration Technology is incorporated into the cartridge filter pump providing improved circulation and filtration, improved water clarity, and increased negative ions at the water surface. 4440-gallon capacity at 90% full Powder-coated steel frame and durable 3-ply liner 110-120V Krystal Clear cartridge filter pump with flow rate of 1000 gallons per hour Hydro Aeration Technology offers improved circulation for better water clarity and increased negative ions at water surface 15'-diameter x 48"D Includes 1000 GPH cartridge filter pump, ladder, cover and ground cloth Assembly required Manufacturer recommends changing filter every two weeks