For the ultimate combination of pool filtration, water sanitation, and convenience, the Intex 24' x 12' x 52" Ultra Frame Rectangular pool comes with the new Krystal Clear Sand Filter Pump & Saltwater System combo. This combo system combines the gentle, thorough, and eco-friendly filtration and sanitation properties of sand and salt. Family and friends will enjoy the sparkling clean and sanitized pool. For quick and easy assembly, follow the instructional DVD. Make a splash all summer long with this popular pool.