New Style water filter used on some GE brands refrigerators with SmartWater (Water by Culligan) built-in filtration systems.

**Note**
Replaces old style GWF filters. If this is your first installation of this new style filter it may require use of P/N ADAPTER filter adapter.

Reduces tastes & odors and filters out the following contaminants: 99.97% of cysts, 85%+ of particulates (Class I), 99% of turbidity, 99% of lead, 98% of chlorine, 84% of 2,4-D (a herbicide), 76% of Atrazine (a herbicide), 91% of Lindane (a pesticide), and 99% of asbestos.
The manufacturer has replaced Part Number GWF with the exact replacement Part Number MWF.