The Pentek C1-20 filter cartridge fits the following water filter housings:
The Pentek C1-20 Carbon 20" Water Filter - 5 Micron is a double-length carbon impregnated cellulose filter cartridge designed to reduce sediment, chlorine taste & odor, and bad taste & odor. This 5 micron water filter features a 5 micron rating and measures 20x2.5 inches.
The Pentek C1-20 specifications:
The Pentek C1-20 filter can be used in a variety of applications including commercial and residential. Part number 155597-43.