OES1520 Features: * Cartridge * Increases clarity of your entire home"s water by reducing sediment, which extends the life of appliances that process water * Filters up to 15,000 gallons * String wound cartridge * Lasts up to 3 months * Transparent valve-in-head sediment filtration unit with hardware * Psi released Includes: * Includes two universal 10-inch cartridge that fit all filter systems, and most other brands of standard-size systems * Includes Wrench and No bracket