Pack of 3 Premium Refrigerator Filter Replacement Cartridge for Whirlpool 4392857， 4396508， 4392857. Kenmore， Kitchenaid， Swift Green， ， PUR<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Tested against NSF/ANSI 42 for chlorine Reduction</li><li>Imported</li><li>Costs much less than the Whirlpool without compromising quality or flow rate.</li><li>Tastes great by leaving potentially healthy， beneficial minerals while removing chlorine， other chemicals and contaminants.</li><li>Lasts for UP to 6 months or 300 Gallons (Depneds on water quality and level of contaminants))</li><li>Activated Carbon Block Filter inside has NSF 42 APPROVAL， Carbon Block is made with the latest and technologies and qualifications.</li><li>WHIRLPOOL---4392857 ; 4392857R ; 4392922 ; 4396163 ; 4396164 ; 4396508 ; 4396508P ; 4396508T 4396509 ; 4396509P ; 4396510 ; 4396510P ; 4396510T ; 4396547 ; 4396548 ; 4396562 ; 4396563 ; 4396918 KENMORE---46 9010; 46 9902; 46 9908 KITCHENAID--4396547;4396548;4396163;4396164; 22203221;2255709;4396509;4396509P MAYTAG--8212652(discontinued) SWIFT GREEN---SGF-W01;SGF-W80 WATER SENTINEL---WSL-2 AQUA FRESH---WF285 THERMADOR---KSZ6T9500 PUR---W10186668 BRITA---WPRF100</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51c6lz4svqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51cmLNWx9NL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31uHnLOccdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31nFSZDY7sL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/318vGxk0PtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41rEWbCzcdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41K02Djc6UL.jpg" noproxy>