It is recommended that pool and spa filters should be removed and cleaned every two weeks and replaced completely after three months. By maintaining clean filters, your pool and spa will run at optimum performance. Pleatco Pure filter cartridges are manufactured using the highest quality raw materials to produce the best filter cartridges. This product, Pleatco PCST80-M Spa Filter - Coast Spas Top load 100 (Antimicrobial), has a top-quality Pleatco Advanced Point Bonded Filtration Fabric which contains more fibers per unit area offering far greater volume dirt holding capacity because of its reduced pore size distribution. This ensures that its filter fabric will provide impressive turbidity reduction due to its unique cross filtration flow which easily and efficiently captures dirt particles. Its uniformly placed weld spots with uniquely bonded fabrics are strong and robust and return to a high state of original performance after the cleaning which equals to greater usability, longer cleaning cycles, and less service time. Its Core utilizes the Free Flow Core Technology of Pleatco allowing an even flow of water through the entire cartridge increasing filtration and combined with the Pleatco Advanced Point Bonded Filtration Fabric makes it easier for the pump to move water through the entire cartridge. The Free Flow Cores are designed to be efficient with an engineered extra strength injection molded ABS, robust and saving energy, money and the environment. It has a filter area of 80 Sq. Ft. and has a crack-resistant 2-1/8-inch open top end and a 2-1/8-inch open bottom end. With an outer diameter of 5-3/8 inches and a length of 21-5/16 inches, this is part of the Pleatco Advanced +PLUS ANTIMICROBIAL Filter Cartridges designed with �blue-ribbon� cartridges which are enhanced with an exclusive antimicrobial agent infused into the filtration fabric itself. With this technology, it impedes the development of dangerous microbes by providing continuous, durable and effective extra protection for the lifetime of the product for the health, safety, and well-being of pool and spa users. It can be used to replace 21-5/16-inch Coast Spas Top load 100 (Antimicrobial) filters or Coast Spas Top load (in-line) 100, Waterway Plastics (Antimicrobial) filters. It can also be used to replace Unicel C-5396AM filters.
