M2 Refrigerator Filter Fits Whirlpool 4

This EarthSmart replacement refrigerator water filter fits in place of Whirlpool Filter model Filter 4. Certified against NSF/ANSI 42, 53, 372, 401, P473 & CSA B483.1 to reduce Lead, Cyst, 70+ VOC's (Volatile Organic Chemicals), Mercury, Asbestos, Pharmaceuticals, BPA, PFOA & PFOS as well as Chlorine taste and odor to ensure high quality and performance. This high quality economical filter will deliver fresh, crisp, clean tasting water and ice cubes that you can trust for your family. Engineered with the power of 0.5 Micron coconut shell carbon block, this filter provides tremendous capacity to reduce impurities, sediment and rust that may be present in your drinking water. The carbon block has millions of active sites on its surface and within the structure which can absorb impurities like a sponge and can hold other types of impurities on its surface like a magnet.