The Ametek, Culligan, Pentek, US Filter C1 or C-1, American Plumber W5CIP Undersink Filter Cartridge features carbon-impregnated Cellulose which reduces chlorine taste & odor, bad taste & odor, as well as filtering extra fine dirt, rust, sand, and scale particles.

The W5CIP is also known as part C-1 or C1 by Ametek, Bruner, Pentek, Kleen Plus, Plymouth Products, Pentair and US Filter part number 155002.

The Ametek C1, C1-10C, Pentek, Pentair C-1, C1 filter is used in the following filter systems.

• Culligan HF-150, HF-160, HF-360, US-550, US-560, SY-2000, SY-5167, sy-5197, Ametek CTR-210
• Ametek, Pentek, US Filter, and Plymouth #10 Blue and #10 Clear, 10" Standard size whole house filter systems

The C-1 or C1 Water filter is a replacement for the following parts as well:

• Ametek, Kleen-Plus, US Filter - C-1
• American Plumber - W5CIP

The American Plumber W5CIP, Pentek C-1 specifications:

• 5,000 gallon filter capacity
• 5 Micron Rating
• up to 5 GPM Flow Rate
• 2 1/2" x 9 3/4" Cartridge
• Temp Range: 40 - 125 F
• NSF/ANSI Standard 42 Tested