Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

WP1BB20P Pentek Whole House Filter Replacement Cartridge

More Views

WP1BB20P Pentek Whole House Filter Replacement Cartridge

Quick Overview

Fits Pentek Big Blue and other heavy-duty filter housings that use 20-inch filters

Availability: Ships Sunday

$36.99 Retail Price:  $39.55
5 2


The PENTEK-WP1BB20P is wound in a precise pattern around a polypropylene core providing greater surface area and filter depth increases the ability to trap granular sediment. The WP1BB20P filter cartridge uses a fibrous polypropylene media and is ideal for applications where minimal fiber migration and nonleaching are critical.
  • Drop-in cartridge design allows for quick filter change on most standard housings that use 20 inch replacement filter cartridges
  • String wound polypropylene media provides greater filtration surface to trap granular sediment
  • Made in the U.S.A.
  • Genuine OEM Product
  • User Guide for PENTEK-WP1BB20P


Package Qty 1
Used In Brands Pentek
Manufacturer's Id WP1BB20P
UPC 051678006146
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
Media String Wound Polypropylene
Primary Filter Media Polypropylene
Filter Life (months) 6 months
Micron Rating (Nominal) 1
Operating Temperature (°F) 40 - 165
Operating Temperature (°C) 4.4 - 73.9
Flow Rate (gpm) 30.00
Flow Rate (lpm) 113.56


Reduces the following contaminants:
  • The PENTEK-WP1BB20P does not reduce fluoride.

The PENTEK-WP1BB20P is comparable with the following part numbers


Replacement for the Following UPC