Granular Activated Carbon Water Filter Cartridge by Ronaqua (4 Pack)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>4 PACK of Granular Activated Carbon Water Filters， DIMENSIONS: 9，875” x 2.5”</li><li>KEEPS WATER FRESH - Removes chlorine taste and odor， as well as other taste and odors of many organic chemicals and volatile organic compounds.</li><li>IDEAL for a standard Reverse Osmosis Water Filtration Unit or any type of Water Filtration Unit with 10" housing</li><li>FILTER LIFE 6 month or 12，000 gallons: Replace two or three times a year， depending on the water quality</li><li>MEETS NSF STANDARDS and REGULATIONS， made of high quality coconut shell carbon crushed into positively charged granules.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/515nWJ6H1gL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51f-9ZNm2xL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/412BSD8wccL.jpg' noproxy></br>