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Whole House Systems
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    • 20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron) - WaterFilters.NET
    verified_user Warranty Info
    Warranty Guarantee: Unconditional Product Guarantee for Life of the Product
    Tier1

    TIER1-DGD1-20BB

    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron)

    $18.97
    Fits most stand housings built for 20-inch x 4.5 inch filter cartridges
    🚚UPS Ground Delivery
    Order today within 0 day(s) 0 hour(s) 21 minute(s) 45 second(s) and you will receive Estimated between 04/07/2025 and 04/10/2025
    Seller ships within 1 day

    Our Shipping PolicyDelivery dates for items that are out of stock may be extended

    • Lasts for up to 3 months, depending on use and water quality

    • Captures contaminants down to 1 micron

    • Easy installation and filter exchanges within minutes

    • Provides fresh, cleaner tasting water throughout your home

    format_list_bulleted Features & Specs
    Package Qty: 1
    Manufacturer: Tier1
    Manufacturer's Id: DGD1-20BB
    UPC: 799932614675
    Actual Size (in): 20 inches (length) x 4 1/2 inches (outside diameter)
    Media: Spun Wound Polypropylene
    Primary Filter Media: Polypropylene
    Operating Temperature (°F): 40 - 145
    Operating Temperature (°C): 4.4 - 62.8
    Warranty Guarantee: Unconditional Product Guarantee for Life of the Product
    Brand: Tier1
    Advertised Size: 20 x 4-1/2
    Depth (in): 4.5 in
    Height (in): 4.5 in
    Length (in): 20 in
    Outside Diameter (in): 4.5 in
    Width (in): 4.5 in
    Media Type: Sediment Filter
    UPC's For Search: 051678360439 | 799705708259 | 799932614675
    Country of Origin: China
    Micron Rating Nominal: 1
    Flow Rate (gpm): 20.0
    Includes: One 20 X 4.5 Inch Spun Wound Polypropylene 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. 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.
    warning_amber Contaminants Reduced
  • Dirt
  • Hard Scale
  • Iron
  • Limescale
  • Oxidized Iron
  • Particles
  • Sand
  • Sediment
  • Silt
  • Coarse Sand
    • filter_alt Filter Life
    Filter Life (gallons): 8000
    Filter Life (months): 3 months
    verified_user Warranty Info
    Warranty Guarantee: Unconditional Product Guarantee for Life of the Product
    compare_arrows

    Tier1 DGD1-20BB Filter Advantages

    The Pentek DGD-2501-20 comparable whole house water filter by Tier1 is a bonded polypropylene filter ideal for 20 x 4.5 inch filter housings. The DGD1-20BB by Tier1 goes to work immediately, to help ensure you serve only the greatest tasting water of the highest quality to your family. From chlorine to sediment, the DGD1-20BB reduces common water contaminants for up to three months. Order today!

    Polypropylene Filter Cartridge

    Polypropylene media inhibits bacterial growth making it an ideal option for both municipal and well water applications. These filters are effective at capturing contaminants such as sand, sediment, silt, and more. Unlike carbon filter cartridges you wont have to worry about small carbon fines potentially spilling into your water, while still enjoying the benefits of filtered water throughout your home. Polypropylene filters are great for whole house water filtration and can be

    TIER1-DGD1-20BB   is comparable with the following part number(s)

    • DGD-2501-20
    • 155360-43
    • DGD-2501-20
    • FPMB-BB1-20
    • P1-20BB
    • Pentek DGD-2501-20
    • SDC-45-2001
    • SDF-45-2001
    • TIER1-DGD1-20BB
    • TIER1-P1-20BB

    TIER1-DGD1-20BB   fits the following model number(s)

    • W20FFPH1CBPR
    • CFS22
     

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