Convenience and virtually maintenance-free operation makes this cartridge filter system a smart choice. It is a high quality filtration system a smart choice. It is a high quality filtration system unit using a thermoplastic chemical-resistant tank with rugged, high efficiency pump. And all models are equipped with easy spin-on unions for plumbing hookups. Complete system includes the filter and a performance matched 1.5 HP Above Ground Pump that is ready to go does come with (2) 150 Sq ft. Cartridge Filter Elements Includes a one year warranty. Technical Specifications Top-mounted pressure gauge are positioned for easy ready Removable cartridge element for quick, convenient cleaning Flow-balanced tank hydraulics direct water through each side of filter module. Uniform dirt-loading prevents clogging Return Shipping is the Responsibility of the Buyer ***Returning Merchandise will be accepted only for defective merchandise.*** Free Shipping within the continental USA does not include Hawaii or Alaska We do not ship to Guam or Puerto Rico