Whole House Systems
  • Drinking Water Systems
  • Replacement Filters
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    20 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)

    Fits most stand housings built for 20-inch x 4.5 inch filter cartridges
    • Ships fast!

    • Ideal for under sink or point-of-use filtration

    • Reduces contaminants down to 5 microns in size

    • Standardized sizing allows for a wade array of housing options

    format_list_bulleted Features & Specs
    Package Qty: 1
    Manufacturer: Tier1
    Manufacturer's Id: EP5-20BB
    UPC: 799932612473
    Actual Size (in): 20 inches (length) x 4 1/2 inches (outside diameter)
    Media: Carbon Block
    Primary Filter Media: Activated Carbon Block
    Operating Temperature (°F): 40 - 165
    Operating Temperature (°C): 4.4 - 73.9
    Warranty Guarantee: Unconditional Product Guarantee for Life of the Product
    Brand: Tier1
    Advertised Size: 20 x 4-1/2
    Length (in): 19.75 in
    Outside Diameter (in): 4.5 in
    Width (in): 4.5 in
    Media Type: Carbon Filter
    Country of Origin: Singapore
    Micron Rating Nominal: 5
    Flow Rate (gpm): 2.0
    Includes: One 20 X 4.5 Inch Carbon Block Replacement Filter by Tier1
    description Instructions
    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.
    warning_amber Contaminants Reduced
  • Bad Taste And Odor
  • Chlorine
  • Dirt Sand Sediment
  • Sand
  • Sediment
  • Silt
  • filter_alt Filter Life
    Filter Life (months): 6 months
    verified_user Warranty Info
    Warranty Guarantee: Unconditional Product Guarantee for Life of the Product

    Prop65 warning applies to products that contain carbon media. Click here for more details

    WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information go to www.p65warnings.ca.gov

    TIER1-EP5-20BB Filter Advantages

    The Pentek EP-20BB comparable whole house carbon block water filter by Tier1 reduces chlorine taste and odor in your drinking water. The Tier1 EP5-20BB filters contaminants down to 5 microns and reduces contaminants including dirt, sediment, sand, silt, and chlorine taste and odor. Carbon block filter media ensures that you receive better tasting clearer water in every glass. Affordably priced and compatible with a wide array of filters and housings Tier1 provides a necessary filter for a great value. Order your replacement filters today!

    Universal Filter Sizing

    The 20 X 4.5 carbon block replacement filter by Tier1 is built to fit 20-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 20 x 4.5 inch filters. The EP5-20BB goes to work immediately providing cleaner, fresher water for up to six months. Enjoy cleaner better water with your whole house replacement filter today.

    NOTE: A carbon cartridge may contain carbon fines (very fine black powder). After installation, flush cartridge for 10 minutes before using the water. It is recommended that you run the tap at least 20 seconds prior to using water for drinking or cooking purposes.

    NOTE: Make certain installation complies with all state and local laws and regulations.

    NOTE: After prolonged periods of non-use (such as during a vacation) it is recommended that the system be flushed thoroughly and/or filters are replaced. Let water run for 5-6 minutes before using.

    TIER1-EP5-20BB   is comparable with the following part number(s)

    • EP5-20BB
    • EP520BB
    • EP-5-20BB