Enjoy hours of outdoor fun with the Intex� Prism Frame� 12ft X 39in pool. It is constructed with puncture-resistant 3-ply durable material. It features all of the great benefits of Metal Frame pools, and are enhanced with strong powder-coated steel tubing and stylish and upscale looking liner color. 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.