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

Water Filtration Systems & Filters

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.

13 Item(s)

Grid  List 

Set Descending Direction
  1. Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge (6-Pack)

    SDC-45-2001 Hydronix Whole House Replacement Sediment Filter Cartridge (6-Pack)

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

    $111.99

  2. SWC-45-1001 Hydronix String-Wound Sediment Water Filter (20-Pack)

    SWC-45-1001 Hydronix String-Wound Sediment Water Filter (20-Pack)

    Fits most 10-inch Big Blue filter housings and replaces Liquatec SWF-45-1001, Pentek 355213-43 and Watts SF1-10-425 water filters. Learn More

    $215.99

  3. CHLORPLUS-10 Pentek Whole House Filter Replacement Cartridge (12-Pack)

    CHLORPLUS-10 Pentek Whole House Filter Replacement Cartridge (12-Pack)

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

    $215.99

  4. DGD-2501 Pentek Whole House Filter Replacement Cartridge (12-Pack)

    DGD-2501 Pentek Whole House Filter Replacement Cartridge (12-Pack)

    Fits Pentek Big Blue and other heavy-duty filter housings Learn More

    $151.99

  5. DGD-2501-20 Pentek Whole House Replacement Sediment Filter (6-Pack)

    DGD-2501-20 Pentek Whole House Replacement Sediment Filter Cartridge (6-Pack)

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

    $134.99

  6. DGD-2501 Pentek Whole House Filter Replacement Cartridge (20-Pack)

    DGD-2501 Pentek Whole House Filter Replacement Cartridge (20-Pack)

    Fits Pentek Big Blue and other heavy-duty filter housings Learn More

    $224.99

  7. DGD-2501 Pentek Whole House Filter Replacement Cartridge (6-Pack)

    DGD-2501 Pentek Whole House Filter Replacement Cartridge (6-Pack)

    Fits Pentek Big Blue and other heavy-duty filter housings Learn More

    $76.99

  8. ECP1-10 Pentek Replacement Filter Cartridge (30-Pack)

    ECP1-10 Pentek Replacement Filter Cartridge (30-Pack)

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More

    $209.99

  9. ECP1-20BB Pentek Replacement Filter Cartridge (6-Pack)

    ECP1-20BB Pentek Replacement Filter Cartridge (6-Pack)

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

    $137.99

  10. ECP1-BB Pentek Replacement Filter Cartridge (12-Pack)

    ECP20-BB Pentek Replacement Filter Cartridge (12-Pack)

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

    $153.99

  11. Pentek PO1HE2 Polypropylene High Efficiency Filter Bag

    Pentek PO1HE2 Polypropylene High Efficiency Filter Bag

    Standard #2 size with 7 inch diameter by 32 inch length fits many common bag filter housings Learn More
    $30.99 Retail Price:  $174.79
  12. WP1BB20P Pentek Whole House Filter Replacement Cartridge

    WP1BB20P Pentek Whole House Filter Replacement Cartridge

    Fits Pentek Big Blue and other heavy-duty filter housings that use 20-inch filters Learn More
    $36.99 Retail Price:  $39.55
  13. SPC-25-1001 Hydronix Pleated Sediment Filter 6-Pack

    SPC-25-1001 Hydronix Pleated Sediment Water Filter (6-Pack)

    1-micron filter, sized 9 7/8 x 2.5 inches Learn More

    $35.99

13 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top