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.

Items 1 to 25 of 140 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
  1. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More
    $16.99
  2. 155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1

    155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
    $4.99
  3. AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1

    AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
    $8.99 Retail Price:  $14.99
  4. FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1

    FXUSC GE Comparable Whole House Sediment Water Filter by Tier1 (2-Pack)

    Fits most standard 10 x 2.5-inch housings Learn More
    $9.99 Retail Price:  $12.34
  5. AP810 Aquapure Comparable Whole House Sediment Water Filter by Tier1

    AP810 Aquapure Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More
    $19.99
  6. CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1

    CP5-BBS-D Culligan Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More
    $14.99 Retail Price:  $21.99
  7. CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  8. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

    CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
    $5.99 Retail Price:  $9.99
  9. CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
    $5.99 Retail Price:  $9.99
  10. R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More
    $14.99 Retail Price:  $17.34
  11. RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  12. S1A-D Culligan Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  13. AP-GRMB-05PP-20UB Whole House Replacement Filter by 3M Aqua-Pure

    3M Aqua-Pure AP-GRMB-05PP-20 Whole House Water Filter Replacement

    Fits most standard 20-inch x 2.5-inch housings Learn More
    $11.99 Retail Price:  $14.34
  14. AP-GRMB-10PP-20UB Whole House Replacement Cartridge by 3M Aqua-Pure

    AP-GRMB-10PP-20UB Whole House Replacement Filter by 3M Aqua-Pure

    Fits most standard 20-inch x 2.5-inch housings Learn More
    $11.99 Retail Price:  $14.34
  15. AP-GRMB-20PP-20UB Whole House Water Filter Replacement Cartridge

    3M Aqua-Pure AP-GRMB-20PP-20 Whole House Water Filter Replacement

    Fits most standard 20 inch x 2 1/2 inch housings Learn More
    $11.99 Retail Price:  $14.34
  16. AP-GRMB-10PP-10UB Whole House Water Filter Replacement Cartridge

    3M Aqua-Pure AP-GRMB-10PP-10 Whole House Water Filter Replacement

    Fits most standard 10 inch x 2 1/2 inch housings Learn More
    $7.99 Retail Price:  $10.34
  17. AP-GRMB-20PP-10UB Whole House Water Filter Cartridge by 3M Aqua-Pure

    AP-GRMB-20PP-10UB Whole House Replacement Filter by 3M Aqua-Pure

    Fits most standard 10-inch x 2.5-inch housings Learn More
    $7.99 Retail Price:  $10.34
  18. AP-GRMB-50PP-20UB Whole House Water Filter Replacement Cartridge

    3M Aqua-Pure AP-GRMB-50PP-20UB Whole House Water Filter Replacement

    Fits most standard 20 inch x 2 1/2 inch housings Learn More
    $11.99 Retail Price:  $14.34
  19. 3M Aqua-Pure APDWS1000 Undersink Water Filter System

    APDWS1000 Undersink Water Filter System by 3M Aqua-Pure

    Fits most standard water lines Learn More
    $394.99 Retail Price:  $397.34
  20. 3M Aqua-Pure SS12 EPE-316L Whole House Stainless Steel Filter Housing

    3M Aqua-Pure SS12 EPE-316L Whole House Stainless Steel Water Filter Housing

    Uses 3M Aqua-Pure filter models AP110, AP124, AP117, APS117, and AP420 Learn More
    $1,696.99 Retail Price:  $1699.34
  21. 3M Aqua-Pure SS20 EPE-316L Whole House Stainless Steel Filter Housing

    3M Aqua-Pure SS20 EPE-316L Whole House Stainless Steel Water Filter Housing

    Uses 3M Aqua-Pure filter models AP110, AP117, and AP124 Learn More
    $1,841.99 Retail Price:  $1844.34
  22. 3M Aqua-Pure SS36 EPE-316L Whole House Stainless Steel Filter Housing

    3M Aqua-Pure SS36 EPE-316L Whole House Stainless Steel Water Filter Housing

    Uses 3M Aqua-Pure filter models AP110, AP117, and AP124 Learn More
    $4,893.99 Retail Price:  $4896.34
  23. 3M Aqua-Pure RM-TFC Reverse Osmosis Membrane

    RM-TFC 3M Aqua-Pure Reverse Osmosis Membrane

    Fits the 3M Aqua-Pure RO5500 reverse osmosis water filter system Learn More

    Regular Price: $178.99

    Special Price: $137.05

  24. TFM50EM 3M Aqua-Pure Reverse Osmosis Membrane

    TFM50EM 3M Aqua-Pure PURWATER Reverse Osmosis Membrane

    For use with the 3M Aqua-Pure PW-RO2, PW-RO4L and PW 206 reverse osmosis filtration systems Learn More
    $112.99 Retail Price:  $135.69
  25. 3M Aqua-Pure AP-GRMB-05PP-10UB

    3M Aqua-Pure AP-GRMB-05PP-10UB Polypropylene Sediment Filter

    Standard 10 inch by 2.5 inch size fits many standard size filter housings Learn More
    $5.99 Retail Price:  $12.64

Items 1 to 25 of 140 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
Scroll To Top