OES1513 Features: * Cartridge * Increases clarity of entire home"s water by reducing sediment, which extends the life of appliances that process water * Long-lasting - filters up to 30,000 gallons * Fits most other brands of standard-size systems * Large diameter filter for higher flow rate of water * Lasts up to 6 months * Improved taste from spun-wound polypropylene and carbon filtration phases Construction: * Carbon Wrapped Polypropylene construction