Water Sentinel WSQ-1 Refrigerator Replacement Filter
The Water Sentinel WSQ-1 water filter fits refrigerators using the sanitary quick change filter system. The only refrigerator filter to include and accompanying o-ring lubricant to ensure a leak-free seal.  This filter should not be used with water that is microbiologically unsafe or of unknown quality, without adequate disinfection before and or after the filter. This filter has been tested by the manufacturer against ANSI/NSF Standard 42 for the reduction of Chlorine, Tastes and Odors.