The Pentek S1-20 filter cartridge fits the following water filter housings:
The Pentek S1-20 Pleated Cellulose 20" Water Filter is a general purpose sediment filter designed to reduce sand, dirt, sediment, silt, rust, and scale particles from your water. The pleated cellulose construction of this sediment water filter allows for maximum dirt-holding capacity, while the extended length allows for higher flow rates. This replacement filter cartridge is recommended for use with chlorinated water supplies only.
The Pentek S1-20 Specifications:
The S1-20 should be changed every 6 months based on water quality and usage. This 20 inch water filter fits Pentek, Culligan, Ametek, Bruner, Kleen Plus and other brands of housings that require standard 20 inch filters (not Big Blue).
**Please note that Pentek has recently changed the design of this filter. There is no longer any nylon netting encasing the filter.