High dirt-holding capacity maximizes utilization of the carbon blockGreater chlorine taste & odor reduction capacity than competitive 5 micron carbon blocksManufactured entirely from FDA-compliant materials10″ Coconut Shell Carbon Block (9.75″ x 2.5″) fits standard 10″ Housing Product Specifications:High Performance Coconut Shell Carbon Thick Wall For Long Life, Greater Chlorine Taste And Odor Reduction Solid Compression Molded Carbon Block Highly Effective Chlorine Reduction Through 10,000 Gallons At 2.5 GPM Flow Rate Reduces Sand, Fine Sediment And Rust Particles Reduces Certain Volatile Organic Compounds (VOC’s) Fits Standard 10-inch Filter Housings Replacement of filter cartridge recommended every 12 months Cartucho Filtramax de 5micronesReduce el cloro y mejora el sabor del aguaSe cambia de 8 meses a 1 año