CBTAS Replacement Water Filter Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Solid carbon block filter with added arsenic reduction</li><li>Filter Only Fits CB-AS Models including CBASSC ， CBASSB and CBASSI</li><li>Rated for 1 year or 600 gallons</li><li>NSF/ANSI certified by Carbon Block Technology for Standards 42， 53， and 401</li><li>Before ordering， please verify exact model number listed on your housing label</li></ul></div><img src="http://ecx.images-amazon.com/images/I/318FN7bqQOL.jpg" noproxy>