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10 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)

Price $24.99 List Price Price $35.99 Save 30%
Availability: In Stock
Fits most stand housings built for 10-inch x 4.5 inch filter cartridges
Choose a quantity
  • 1Filter$24.99 
  • 3Filters Price $23.51 each
  • 6Filters Price $22.49 each
Available Add-Ons

SKU: TIER1-OR-LUBRICANT-LG › See more product details

Dow Corning Molykote 111 O-Ring Silicone Lubricant (5.3 oz. Tube)

Add: $39.99 $27.99

SKU: TIER1-OR-100 › See more product details

American Plumber, Culligan, Pentek OR-100 O-Ring for Big Blue Housings

Add: $9.99 $6.99
  • Ships fast!
  • Reduces impurities down to 5 micron
  • Drop-in cartridge changes are quick and easy
  • Filters contaminants down to 5 microns in size!
› See more product details
  • Ships fast!
  • Reduces impurities down to 5 micron
  • Drop-in cartridge changes are quick and easy
  • Filters contaminants down to 5 microns in size!

Tier1 EP5-10BB Filter Advantages

Comparable to the Pentek EP-BB, the Tier1 EP5-10BB reduces chlorine taste and odor in your drinking water. Manufactured to reduce impurities down to 5 micron, this Tier1 filter goes to work immediately improving the taste of your drinking water. Designed to fit systems requiring a 10-inch x 4.5-inch filter, the applications of this filter are universal. Use this filter as a proprietary filter or as a pre-filter for a whole home solutions system or point of use system. Order the the Tier1 EP5-10BB whole house carbon block water filter by Tier1 today.

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 4.5 Tier1 EP5-10BB carbon block replacement filter is built to fit 10-inch x 4.5-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 EP5-10BB goes to work immediately providing cleaner, fresher water for up to six months or 5,500 gallons, depending on water quality and use. Enjoy cleaner better water with your whole house replacement filter today.

Package Qty1
Used In Brands3M, Ametek, Aqua-Pure, Culligan, Pentek, Tier1
Manufacturer's IdEP5-10BB
Advertised Size (in)10 x 4-1/2
Actual Size (in)9.5 inches (length) x 4.5 inches (outside diameter)
Actual Size (cm)24.13 x 11.43
Outside Diameter (inches)4.5
MediaPowder Activated Carbon Block
Primary Filter MediaActivated Carbon Block
Filter Life (gallons)5,500
Filter Life (liters)20,819.76
Filter Life (months)6 months
Micron Rating (Nominal)5
Operating Temperature (°F)40 - 180
Operating Temperature (°C)4.4 - 82.2
Flow Rate (gpm)2
Flow Rate (lpm)7.57
Country of ManufactureChina
Warranty GuaranteeUnconditional Product Guarantee for Life of the Product
IncludesOne 10 X 4.5 Inch Carbon Block Replacement Filter by Tier1
Primary Filter MediaActivated Carbon Block

Reduced Contaminants

The TIER1-EP5-10BB reduces the following contaminants:

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

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

PENTEK-155548 EV910805
CG5-104 4PCD1


  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. Insert new filter cartridge.
  7. Screw housing onto the cap and hand-tighten. Do not over tighten. Make sure cap standpipe slips into cartridge.
  8. Turn on water supply. Press pressure-relief button (if present). Check for leaks before leaving installation.