The Pentek S1 replaces the following water filter cartridges:
The Pentek S1, American Plumber W20CLa, GE FXWPC is a 20 micron water filter that reduces sand, dirt, silt, rust, and scale particles in your household water. The Pentek S1 filter has a high capacity for holding dirt for longer filter life and is also known as part numbers S1 and 155001 by Pentek, Ametek, Culligan, and US Filter. This Pentek filter is also a direct replacement for the Whirlpool WHCF-WHPL, Whirlpool WHKF-WHPL and the GE FXWPC.
Pentek S1, American Plumber W20CLa, GE FXWPC specifications:
This 10" filter needs to be replaced every four months and is not recommended for use with well water. This 20 micron filter is used in filter housing W34-PR and W34PR, as well as other standard 10 inch filter housings.
Note: Pentek has recently changed the design of this 10 inch water filter. There is no longer any nylon netting encasing the replacement water filter cartridge.
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