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The Watts SF1-20-425 water filter fits the following housings:
The Watts SF1-20-425 String Wound 20" BB - 1 micron is a string wound filter cartridge built with polypropylene fibers for strength and chemical compatibility. This Watts water filter measures 20 inches in length and has a 1 micron rating for the reduction of contaminants in water, including sediment. This 1 micron sediment filter is FDA approved for use in food & beverage applications, and can also utilized for potable water and industrial use.
Watts SF1-20-425 String Wound 20" BB - 1 micron specifications: