Swim your summer days away in the Intex Ultra Frame Rectangular Pool with Sand Filter Pump. Gray outer liner and blue tile-print inner liner for a classic, clean look. Laminated PVC siding with 3 separate material layers for strength and durability. All rust-resistant metal beams and joints snap together for fast, easy construction. Quick set up means it's ready for water in 90 minutes. Easy maintenance with sand that only needs routine backwashing and replacing every 5 years. Built in GFCI (ground fault circuit interrupter) instantly shuts off pump if electrical current comes in contact with water making your swimming experience more safe. Hydro aeration technology in the pump improves circulation, filtration, and water clarity while increasing the water's negative ions. Sand filter pump has a pump flow rate of 2,800 gallons per hour. Pump does not require cartridge replacements.