This listing is for two filters. For taste, odor & chlorine reduction ; Class 1 filter media - Acid Washed Granular Activated Carbon REPLACES K2333-KK - Convenient and Effect for Refrigerator Water/Ice Input and as RO Post Filter For Cold Water usage - Max Temp 100F, Min Temp 35F, Max Flow Rate 0.5 GPM , Max Pressure 125 PSIG Recommended Maximum Service Life - 1000 Gallons or 1 Year, 0.5 micron nominal filtration MADE IN USA - Flush Filter for 5 - 10 minutes before use Omnipure Granulated Carbon Coconut (GAC) has long been utilized to reduce impurities in potable water. It is widely recognized for its adsorption capacity plus its ability to reduce dissolved organics and chemicals such as chlorine. These and other impurities can cause undesirable taste, odor and color in water. Cap and body of the Omnipure In line Filters are spin-welded together producing a smooth, consistent seal without the use of glues or binders that can cause contamination. This K2340KK model is conveniently compact for tight spaces and still has a service life of 1000 Gallons or 1 Year. The is an 12x40 Mesh with 3/8" Quick Connect Fittings.