Culligan EarthSmart M2 Refrigerator Water Filter, Fits Whirlpool Filter 4

This EarthSmart replacement refrigerator water filter fits in place of Whirlpool Filter 4.

Specifications

• Certified against NSF/ANSI 42, 53, 372, 401, P473 & CSA B483.1
• Reduces lead, cyst, VOCs, mercury, asbestos, pharmaceuticals, BPA, PFOA & PFOS, and chlorine taste and odor
• 0.5 micron coconut shell carbon block filter