Save with Auto-Ship

Get the product you need, exactly when you need it, delivered right to your door. No more searching for the right part number, we've got you covered. Plus, you'll save $$ on every order and shipping is on us. Learn more

Save Money

Free Shipping*

Choose Frequency

*Free Shipping available in the contiguous US

DGD-5005-20 Pentek Whole House Filter Replacement Cartridge by Tier1

Price $20.99 List Price Price $29.99 Save 30%
Availability: In Stock
Fits filtration system housings that accept 20 x 4.5 inch cartridges
Choose a quantity
  • 1Filter$20.99 
  • 2Filters Price $20.36 each
  • 3Filters Price $19.75 each
  • 4Filters Price $19.46 each
  • 6Filters Price $18.89 each
  • 12Filters Price $15.74 each
  • Ships fast!
  • Reduces sediment particles, 5 micron or larger
  • Provides the highest quality water while reducing the risk of sediment corrosion in fixtures and appliances
› See more product details
  • Ships fast!
  • Reduces sediment particles, 5 micron or larger
  • Provides the highest quality water while reducing the risk of sediment corrosion in fixtures and appliances
The P5-20BB Tier1 sediment water filter is an affordably priced option that ensures you serve only high quality water from every faucet throughout your home! Built to capture and filter virtually all types of sediment particles, 5 micron or larger, out of the water in your home. In addition, these filters help to ensure your water tastes great while reducing the risk of sediment corrosion in your fixtures and appliances. Get the high quality sediment filters you deserve by ordering P5-20BB Tier1 sediment water filters from us today.

Experience the Tier1 Difference

Tier1 manufactures high-quality filtration and household products. We take creating and maintaining a healthy home seriously. Products must undergo rigorous testing and meet demanding quality expectations in order to earn the Tier1 badge. Every purchase is backed by the Tier1® Guarantee:

  • Guaranteed Fit
  • Guaranteed Quality
  • Guaranteed Price
Package Qty1
Used In BrandsPentek, Tier1
Manufacturer's IdP5-20BB
Advertised Size (in)20 x 4-1/2
Actual Size (in)20 inches (length) x 4 3/8 inches (outside diameter)
Actual Size (cm)50.8 x 11.1125
MediaSpun Wound Polypropylene
Primary Filter MediaPolypropylene
Filter Life (months)6 months
Micron Rating (Nominal)5
Operating Temperature (°F)40 - 145
Operating Temperature (°C)4.4 - 62.8
Flow Rate (gpm)20
Flow Rate (lpm)75.7082
Warranty GuaranteeUnconditional Product Guarantee for Life of the Product
IncludesOne Tier1 20 x 4.375 inch Spun Wound Polypropylene Replacement Filter
Primary Filter MediaPolypropylene

Reduced Contaminants

The TIER1-P5-20BB reduces the following contaminants:

  • Dirt
  • Rust and Corrosion
  • Sand
  • Sediment
  • Silt

The TIER1-P5-20BB is comparable with the following part numbers

155358-43 C155358-43
DGD-5005-20 FPMB-BB5-20
Hydronix SDC-45-2005 P50-20BB
P5-20BB PENTEK-DGD-5005-20
SDC-45-2005 SDF-45-2005

The TIER1-P5-20BB fits the following model numbers

All 20 x 4.5 inch Big Blue 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