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C1 Pentek Undersink Filter Replacement Cartridge

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Pentek C1 Undersink Water Filter Replacement Cartridge

Save 25% (MSRP: $19.99)

Quick Overview

Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges
5 5


The C1 cartridges offer an economical solution for all of your general-purpose water filtration needs. The combination of quality chlorine and sediment filtration makes the PENTEK-C1 an excellent choice for polishing filters for RO systems and a wide range of residential applications.

  • Economically priced drop-in cartridge provides quick and easy filter change
  • Dual purpose cartridge for chlorine and sediment filtration
  • High dirt-holding capacity
  • Recommended for chlorinated water supplies
  • Genuine OEM Product
  • User Guide for PENTEK-C1


Package Qty 1
Used In Brands Cuno, Filterite, Harmsco, Keystone, Pentek, U.S. Water, US Filter
Manufacturer's Id C1
UPC 051678002438
Advertised Size (in) 10 x 2-1/2
Actual Size (in) 9 3/4 inches (length) x 2 1/2 inches (outside diameter)
Actual Size (cm) 24.77 x 6.35
Media PAC-Impregnated Cellulose
Primary Filter Media Carbon-Impregnated Fabric
Materials of Construction Filter Core: Polypropylene, Netting: Polyethylene, Reinforcement Backing: Cellulose Polyester, End Caps: Vinyl Plastisol
Filter Life (gallons) 2,500
Filter Life (liters) 9,463.53
Filter Life (months) 6 months
Micron Rating (Nominal) 5
Operating Temperature (°F) 40 - 125
Operating Temperature (°C) 4.4 - 51.7
Flow Rate (gpm) 5.00
Flow Rate (lpm) 18.93
Certifications Tested and Certified by NSF International against NSF/ANSI Standard 42 for materials and structural integrity requirements only


Reduces the following contaminants:


The PENTEK-C1 is comparable with the following part numbers

155002-43 TO1-SS
C1 TO1-SS24-01
TO1 TO1-SS24-05

Replacement for the Following UPC