10 X 2.5 Carbon Block Replacement Filter by Tier1 (5 micron)

Price $8.49
Availability: In Stock
Fits into most industry standard 10-inch water filtration system housings
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  • 1 Filter $8.49  
  • 3 Filters Price $8.39 each
  • 6 Filters Price $7.99 each
  • Ships fast!
  • Drop-in cartridge changes are quick and easy
  • Filters contaminants down to 5 microns in size!
  • Carbon media to reduces chlorine taste, odor and more
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Tier1 EP5-10 Filter Advantages

The Tier1 EP5-10 carbon block water filter reduces unpleasant chlorine taste and odor in your drinking water to deliver a refreshing drink every time. The Tier1 EP5-10 carbon block water filter is rated as a nominal 5 micron carbon block filter meaning it can reduce contaminants down to 5 microns in size and everything above. This filter works well as a standalone filter or as a pre-filter for a whole home solutions system such as a water softener or point of use reverse osmosis system. Reduce contaminants in your water today with the Tier1 EP5-10 carbon block water filter.

Carbon Filter Media

Carbon media, whether as granular activated carbon or as a carbon block functions as a fantastic water filtration media due to its incredibly high porosity. This high porosity maximizes the surface area contaminants are exposed to and ensures that contaminants have a great chance of being captured and reduced from your drinking water. Carbon filters are known for being effective at reducing the unpleasant taste and odors associated with city water chlorine treatment. If you are looking for better tasting water with excellent contaminant reduction try out a carbon filter today!

Universal Filter Sizing

The 10 X 2.5 Tier1 EP5-10 carbon block replacement filter is built to fit 10-inch x 2.5-inch filter housings. This standard sizing allows this filter to easily replace existing styles of whole house filters for housings requiring this size filter. The EP5-10 goes to work immediately providing cleaner, fresher water for up to six months or 6000 gallons, depending on water quality and use. Enjoy cleaner better water with your whole house replacement filter today.

Package Qty 1
Used In Brands Culligan, Pentek, Tier1
Manufacturer's Id EP5-10
UPC 799932612442
Advertised Size (in) 10 x 2-1/2
Actual Size (in) 9 7/8 inches (length) x 2 1/2 inches (outside diameter)
Actual Size (cm) 25.0825 x 6.35
Media Carbon Block
Primary Filter Media Activated Carbon Block
Filter Life (gallons) 6,000
Filter Life (liters) 22,712.5
Filter Life (months) 6 months
Micron Rating (Nominal) 5
Operating Temperature (°F) 40 - 180
Operating Temperature (°C) 4.4 - 82.2
Flow Rate (gpm) 1
Flow Rate (lpm) 3.78541
Color White
Warranty Guarantee Unconditional Product Guarantee for Life of the Product
Includes One 10 X 2.5 Inch Carbon Block Replacement Filter by Tier1
Primary Filter Media Activated Carbon Block

Reduced Contaminants

The TIER1-EP5-10 reduces the following contaminants:

  • Bad Taste and Odor
  • Chlorine Taste & Odor
  • Sand
  • Sediment
  • Silt

The TIER1-EP5-10 is comparable with the following part numbers

TIER1-EP5-10 EP5-10
42-34373 PENTEK EP-10
PENTEK 155531-43 MAXETW-975

The TIER1-EP5-10 fits the following model numbers

All 10 x 2.5 inch standard filter housings


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

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