CBC-20 Pentek Comparable Water Filter Cartridge by Tier1

Price $25.99
Availability: In stock
Fits filtration system housings that accepts 20 x 2.5 inch cartridges
Choose a quantity
  • 1 Filter $25.99  
  • 2 Filters Price $25.00 each
  • 3 Filters Price $24.00 each
  • Ships fast!
  • Captures sediment and dirt particles 0.5 micron and larger
  • Helps ensure you serve high quality water from every tap in your home!
  • Tier1 water filters are manufactured for performance and priced for value
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A CBC-20 Pentek comparable, the CBC-20 Tier1 is designed to help ensure you serve only high quality water throughout your home. The CBC-20 Tier1 water filter cartridge helps to capture sediment and dirt as small as 0.5 micron in size. Installs quickly and easily into systems that accept 20 x 2.5 inch filter cartridges. Get the filter you need to reduce even the smallest dirt and sediment particles by ordering the CBC-20-WF Tier1 water filter cartridge from us online today!

Experience the Tier1 Difference

Tier1 manufactures high-quality filtration and household products. We take creating and maintaining a healthy home seriously. Products must undergo rigorous testing and meet demanding quality expectations in order to earn the Tier1 badge. Every purchase is backed by the Tier1® Guarantee:

  • Guaranteed Fit
  • Guaranteed Quality
  • Guaranteed Price
Package Qty 1
Used In Brands 3M, Aqua-Pure, Culligan, Pentek, Tier1
Manufacturer's Id CBC-20
UPC 635510442660
Advertised Size (in) 20 x 2-1/2
Actual Size (in) 20 inches (length) x 2-7/8 inches (outside diameter)
Actual Size (cm) 50.8 x 7.3025
Media Bonded Powdered Activated Carbon
Primary Filter Media Activated Carbon Block
Filter Life (gallons) 45,000
Filter Life (liters) 17,0325
Filter Life (months) 6 months
Micron Rating (Nominal) 0⋅05
Operating Temperature (°F) 40 - 180
Operating Temperature (°C) 4.4 - 82.2
Flow Rate (gpm) 2
Flow Rate (lpm) 7.57
Warranty Guarantee Unconditional Product Guarantee for Life of the Product

The TIER1-CBC-20 is comparable with the following part numbers

155309-43 CB-20
CBC-20 CBC-20-WF


  1. Turn off water supply. Press red pressure-relief button (if present)
  2. Unscrew housing. Remove large o-ring, wipe clean and set aside
  3. Discard used filter cartridge
  4. Wash housing with dish soap and warm water using a nonabrasive sponge or cloth. Rinse thoroughly
  5. Fill 1/3 with water. Add about 1 tablespoon of bleach and scrub to disinfect. Rinse thoroughly
  6. Lubricate o-ring with clean silicone grease. Change o-ring if any damage cuts or degradation are present. Insert o-ring in groove
  7. NOTE: This step is important to ensure a proper housing seal. Make certain the o-ring is seated level in the groove
  8. Insert new filter cartridge
  9. Screw housing onto the cap and hand-tighten. Do not over tighten. Make sure cap standpipe slips into cartridge
  10. Turn on water supply. Press pressure-relief button (if present). Check for leaks before leaving installation

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