The Pentek P1 filter cartridge fits the following water filter housings:
The Pentek P1 Spun Polypropylene Filter is a replacement water filter cartridge constructed with spun bonded polypropylene that provides superior chemical and bacterial resistance, as well as superior sediment filtration. Featuring a 1 micron rating, this Pentek filter effectively reduces sediment, fine sand, dirt, and other particles in your drinking water to improve taste and clarity. This 10 inch water filter is also known by part number 155225.
The Pentek P1 specifications:
This water filter cartridge fits most Pentek, Ametek, US Filter, Kleen Plus, Plymouth Products, American Plumber and other filter housings that require 10 inch filters. This well water filter should be changed when a significant decrease in water pressure is detected.