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

My Cart:

0 item(s) - $0.00
You have no items in your shopping cart.

Free Shipping over $39

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

More Views

S1 Pentek Whole House Replacement Water Filter Cartridge

Quick Overview

Fits any standard water filtration system housing that uses 9 3/4-inch x 2 1/2-inch cartridges

Availability: In stock



Made from pleated cellulose, the S1 Pentek whole house water filter cartridge are an affordably priced way to keep virtually all sediment and dirt particles 20 micron or larger out of your water. A genuine OE part, these filters are constructed by Pentek with a pleated design helping capture more dirt throughout their lifespan. These filters are recommended for use with chlorinated water only. Order the replacement S1 Pentek whole house water filter cartridge you need from us by 4pm CST today for same day shipping.
  • Ships same day
  • Captures more dirt in its pleated design
  • Recommended for use with chlorinated water only
  • Genuine OEM Product
  • User Guide for PENTEK-S1


Package Qty 1
Used In Brands Cuno, Filterite, Harmsco, Keystone, Pentek, U.S. Water, US Filter
Manufacturer's Id S1
UPC 051678001431
Advertised Size (in) 10 x 2-1/2
Actual Size (in) 9 3/4 inches (length) x 2 5/8 inches (outside diameter)
Actual Size (cm) 24.77 x 6.6675
Media Pleated Cellulose
Primary Filter Media Pleated Fabric
Filter Life (months) 6
Micron Rating (Nominal) 20
Operating Temperature (°F) 40 - 145
Operating Temperature (°C) 4.4 - 62.8
Flow Rate (gpm) 10.00
Flow Rate (lpm) 37.85


Reduces the following contaminants:
  • The PENTEK-S1 does not reduce fluoride.

The PENTEK-S1 is comparable with the following part numbers


Replacement for the Following UPC

Pros Cons
  • (1)
  • (1)
  • (1)
Sort by:

1 Item(s)

per page
Good deal Review by Fergus
Good product, good service, good price. (Posted on 7/18/14)

Pros: Easy Installation, Fast Delivery, Great Results

Would you recommend this product to a friend? Yes

Share this review
Inappropriate review? Report it

Write Your Own Review

You're reviewing: S1 Pentek Whole House Replacement Water Filter Cartridge

    1 star
    2 stars
    3 stars
    4 stars
    5 stars
  • Pros Cons
    Enter your Pros, separated by comma
    Enter your Cons, separated by comma
  • * Required Fields