Intex 15ft X 42in Prism Frame Pool Set with Filter Pump, LadderDurable & easy to assemble, prism frame pools feature all of the great benefits of metal frame pools, and are enhanced with strong powder coated Steel Tubing and a stylish, upscale looking liner color Hydro aeration technology has been incorporated into the cartridge filter pump providing improved circulation and filtration, improved water clarity, and increased negative ions at the water surface Constructed with puncture resistant 3 ply material;