The Pentek 155227-43 is the correct replacement water filter cartridge for the following applications:
The Pentek P1-30 30" 1 Micron Polypropylene Filter is a replacement drinking water filter cartridge manufactured from pure 100% polypropylene that is designed for purity and chemical compatibility. The spun fibers of this Pentek cartridge filter form a true gradient density from outer to inner surfaces in order to reduce unwanted tastes and odors in your drinking water. With its 1 micron rating, the P1-30 polypropylene water filter has a 30 inch length and is not prone to bacterial attack.
Pentek P1-30 30" 1 Micron Polypropylene Filter specifications: