Discount Water Filters and Air Filters at Discount Filter Store.com

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

Water Filtration Systems, Filters, & Parts

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

Clear All
Compare

16 Item(s)

Grid  List 

Set Descending Direction
  1. DGD-7525-20 Pentek Whole House Water Filter

    DGD-7525-20 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 20-inch x 4.5-inch water filter cartridges Learn More

    As Low As $21.00 Per Filter

  2. Pentek ECP1-20BB Replacement Water Filter Cartridge

    ECP1-20BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More

    As Low As $23.00 Per Filter

  3. Pentek ECP1-BB Replacement Water Filter Cartridge

    Pentek ECP1-BB Water Filter Cartridge Replacement

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    As Low As $12.83 Per Filter

  4. Pentek ECP20-20BB Replacement Water Filter Cartridge

    Pentek ECP20-20BB Pleated Sediment Water Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More

    As Low As $21.33 Per Filter

  5. Pentek ECP20-BB Replacement Water Filter Cartridge

    ECP20-BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    As Low As $10.90 Per Filter

  6. ECP5-BB Pentek Whole House Water Filter

    Pentek ECP5-BB Whole House Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $10.19 Per Filter

  7. Pentek ECP50-20BB Replacement Water Filter Cartridge

    ECP50-20BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More

    As Low As $22.67 Per Filter

  8. Pentek ECP50-BB Whole House Water Filter Replacement Cartridge

    Pentek ECP50-BB Pleated Sediment Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $19.66 Per Filter

  9. KO50G4S Pentek Polypropylene Filter Bag

    KO50G4S Pentek Polypropylene Filter Bag

    Fits Pentek Carbon Steel, Stainless Steel and Aluminum Housings that accept #4 filter bags. Learn More
    $5.09 MSRP:  $9.99
  10. KO5G3S Pentek Polypropylene Bag Filter

    KO5G3S Pentek Polypropylene Filter Bags

    Fits Pentek Carbon Steel, Stainless Steel and Aluminum Housings that accept #3 filter bags Learn More
    $4.99 MSRP:  $7.00
  11. ST-3 Pentek Filter Housing - Stainless Steel

    ST-3 Pentek Filter Housing - Stainless Steel

    Fits standard 3/4-inch water lines Learn More
    $283.99 MSRP:  $345.79
  12. BN-410-250 Pentek Nylon Bag Filter

    BN-410-250 Pentek Nylon Bag Filter

    Fits Pentek PBH-410 housings Learn More
  13. BP-410-25 Pentek Polypropylene Bag Filter

    BP-410-25 Pentek Polypropylene Bag Filter

    Fits Pentek PBH-410 housings Learn More
    $4.99 MSRP:  $7.00
  14. BP-420-200 Pentek Polypropylene Bag Filter

    BP-420-200 Pentek Polypropylene Bag Filter

    Fits Pentek PBH-420 housings Learn More
    $4.99 MSRP:  $7.00
  15. ST-BC-4 Pentek Filter Housing - Stainless Steel

    ST-BC-4 Pentek Filter Housing - Stainless Steel

    Fits standard 2-inch water lines Learn More
    $759.05 MSRP:  $1009.11
  16. WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $34.99 MSRP:  $42.54

16 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top