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

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

Items 1 to 25 of 48 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
  1. 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
    $4.99 MSRP:  $9.99
  2. TIER1-W50-934
  3.  WB-HB-20-50W Harmsco Pleated Commercial Water Filter Cartridge

    WB-HB-20-50W Harmsco Pleated Commercial Water Filter Cartridge

    Fits most standard 20 x 4.5-inch filter housings Learn More
    $29.59 MSRP:  $39.99
  4. TIER1_W50_934_6_PACK
  5. SDC-45-1050 Hydronix Pleated Water Filter

    SPC-45-1050 Hydronix Polypropylene Spun Water Filter

    9 7/8 inches by 4.5 inches, 50 micron, fits systems that use American Plumber WW50PEHD, Liquatec SPF-45-1050, Pentek 255492-43, Pentek 155053-43, Pentek R50-BB and Watts FM-BB-10-50 water filters Learn More

    As Low As $11.66 Per Filter

  6. SPC-45-2050 Hydronix Pleated Sediment Water Filter

    SPC-45-2050 Hydronix Pleated Sediment Water Filter (20 in x 4.5 in, 50 Micron)

    Fits into systems that use the Liquatec SPF-45-2050, Pentek 255496-43 and Watts FM-BB-50-20 water filters Learn More

    As Low As $21.67 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. AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1

    AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  10. AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1

    AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  11. SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  12. GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  13. PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  14. PX75-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1

    PX75-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  15. 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

    As Low As $0.00 Per Filter

  16. Hydronix GX50-30 Polypropylene Sediment Filter

    Hydronix GX50-30 Polypropylene Sediment Filter

    Standard 30 inch x 2.5 inch size fits most standard filter housings Learn More
    $12.99 MSRP:  $14.36
  17. Hytrex GX-50-9-78 Polypropylene Sediment Filter

    Hytrex GX-50-9-78 Polypropylene Sediment Filter

    Standard 10 inch by 2.5 inch size and double open end cap style fits many common filter housings Learn More
    $6.29 MSRP:  $9.99
  18. Purtrex PX50-20 Polypropylene Sediment Filter

    Purtrex PX50-20 Polypropylene Sediment Filter

    Fits any standard 20 inch by 2.5 inch housings Learn More
    $6.29 MSRP:  $10.99
  19. Purtrex PX50-30 Polypropylene Sediment Filter

    Purtrex PX50-30 Polypropylene Sediment Filter

    Fits any standard 30 inch by 2.5 inch housings Learn More
    $9.99 MSRP:  $11.49
  20. W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $16.99 MSRP:  $18.39
  21. W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge

    W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge

    Fits American Plumber W10-PR and W15-PR and most other heavy duty water filter housings Learn More
    $23.99 MSRP:  $27.34
  22. W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $13.99 MSRP:  $17.34
  23. 3M Aqua-Pure AP124 Whole House Water Filter Cartridge

    AP124 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $12.99 MSRP:  $17.24
  24. 3M Aqua-Pure AP814 Whole House Water Filter

    AP814 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $30.99 MSRP:  $33.34
  25. 3M Aqua-Pure AP814-2 Whole House Water Filter

    AP814-2 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
    $55.99 MSRP:  $65.54

Items 1 to 25 of 48 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
Scroll To Top