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20 inch x 4.5 inch Whole House Pleated Polyester Water Filter by Tier1 (5 Micron)

Price $24.99
Availability: In Stock
Fits most 20 x 5-inch filter housings
Choose a quantity
  • 1 Filter $24.99  
  • 2 Filters Price $24.24 each
  • 3 Filters Price $23.51 each
  • 4 Filters Price $23.17 each
  • 6 Filters Price $22.49 each
  • 12 Filters Price $18.74 each
  • Ships fast!
  • Ensures quality water throughout your home
  • Easy installation for a frustration-free return to better water
  • Pleated polyester media reduces particles down to 5 microns
See more product details
The ECP5-20BB Pentek comparable whole house pleated polyester water filter by Tier1 is ideal for 20 x 4.5-inch whole house filtration systems with chlorinated water. Reduce the fine dirt and sediment that disrupt your home water use. Pleated filter design allows more maximum contact time between filter media and contaminants. Reduce common household water contaminants like dirt, sediment, particles, and more! First time and veteran users alike can experience this excellent product with the protection of an Unconditional Product Guarantee for Life of the Product. Order the ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 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 Qty 1
Used In Brands Hydronix, Liquatec, Pentek, Tier1, Watts
Manufacturer's Id ECP5-20
UPC 700355940937
Advertised Size (in) 20 x 4-1/2
Actual Size (in) 20 inches (length) x 4 1/2 inches (outside diameter)
Actual Size (cm) 50.8 x 11.43
Media Pleated Polyester
Primary Filter Media Pleated Polyester
Filter Life (months) 6 months
Micron Rating (Nominal) 5
Operating Temperature (°F) 40 - 125
Operating Temperature (°C) 4.4 - 51.7
Flow Rate (gpm) 20
Flow Rate (lpm) 75.7082
Color White
Warranty Guarantee Unconditional Product Guarantee for Life of the Product
Includes One Tier1 20 x 4.5 inch Whole House Sediment Water Filter
Primary Filter Media Pleated Polyester

Reduced Contaminants

The TIER1-ECP5-20 reduces the following contaminants:

  • Dirt
  • Particles
  • Sand
  • Sediment
  • Silt

The TIER1-ECP5-20 is comparable with the following part numbers

Pentek ECP5-20BB

The TIER1-ECP5-20 fits the following model numbers



  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

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