Whole House Systems
  • Drinking Water Systems
  • Replacement Filters
  • Tier1


    10 X 4.5 Granular Activated Carbon Replacement Filter (20 micron)

    Fits most 10X4.5 housings
    • Easy to install, simply replace once every six months

    • Reduces chlorine taste and odor

    • Big Blue sized filter 10 x 4.5 inches

    • Replace once every six months

    format_list_bulleted Features & Specs
    Package Qty: 1
    Manufacturer: Tier1
    Manufacturer's Id: TIER1-GAC-BB
    UPC: 641945742411
    Actual Size (in): 9.75 inches (Length) x 4.5 inches (Width)
    Primary Filter Media: Granular Activated Carbon
    Operating Temperature (°F): 40 - 125
    Brand: Tier1
    Advertised Size: 10 x 4-1/2
    Length (in): 9.75 in
    Width (in): 4.5 in
    Media Type: Carbon Filter
    Pre Filter Media: Spun Polypropylene
    UPC's For Search: 051678153437 | 016145269530 | 051678153437 | 051678153437
    Micron Rating Nominal: 20
    warning_amber Contaminants Reduced
  • Chlorine
  • filter_alt Filter Life
    Filter Life (gallons): 6 months

    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

    The easy to use and install TIER1-GAC-BB filter is just for you, if you have issues with water that tastes bad or tastes like chlorine. The Big Blue sized filter measuring in at 10 x 4.5 inches has a greater sized diameter helping, with flow rate, and overall filtration surface area. Simply replace this filter once every six months or 12,000 gallons whichever comes first, depending on your water filtration usage. The granular activated carbon (GAC) works hard to get your water in pristine condition. As compared to other aftermarket brands the Tier1 version, get's closest to the job of the OEM Pentek brand. Don't delay in the purchase of this affordably priced filter option!

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

    • 155153-43
    • AF-10-1046-BB
    • GAC-BB
    • GAC-CS-BB10