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P-250 Pentek Comparable Under Sink Water Filter Set by Tier1

Price $36.99 List Price Price $52.99 Save 30%
Availability: In Stock
Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber
  • Ships fast!
  • Includes one sediment filter and one carbon filter
  • Provides great tasting water, directly from your faucet
  • Simple maintenance and installation
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The P-250 Pentek Comparable Under Sink Water Filter Set by Tier1 includes one sediment filter and one carbon filter. The complete package ensures you are ready to reduce dirt, sand,particles, and chlorine taste and odor. The powerful reduction properties provide water that offers a better drinking and cooking experience. Tier1 filters are big on performance, but not on price. Whether you are new to filtration, or a veteran, you will immediately recognize the quality of Tier1 filtration products. Backed by an Unconditional Product Guarantee for Life of the Product, you can rest assured in the quality and performance of Tier1. Order the P-250 Pentek Comparable Under Sink Water Filter Set 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 Qty1
Used In BrandsTier1
Manufacturer's IdP-250
Advertised Size (in)10 x 2-1/2
Actual Size (in)9-3/4 inches (long) x 2-1/2 inches (diameter)
Actual Size (cm)24.765 x 6.35
Filter Life (gallons)1,000
Filter Life (liters)3,785.41
Filter Life (months)6 months
Micron Rating (Nominal)0.5
Operating Temperature (°F)40 - 145
Operating Temperature (°C)4.4 - 62.8
Flow Rate (gpm)0.5
Flow Rate (lpm)2.27
Warranty GuaranteeUnconditional Product Guarantee for Life of the Product
Additional InformationContains D40 (left houseing) and D25 (right housing) filter

Reduced Contaminants

The TIER1-P-250 reduces the following contaminants:

  • Asbestos
  • Chlorine Taste & Odor
  • Cysts 99.95%
  • Lead 99%
  • Mercury
  • Sediment
  • VOCs

The TIER1-P-250 is comparable with the following part numbers

P-250A W-250 W250 W-40/WLC_R
WCC 34377 34375 48167
49640 LC1 TO2 FXSCV
D-250 CMR-10R CC-10 852-657
826-746 CB3 GAC1 RB-P-250


  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