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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

Items 1 to 25 of 27 total

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  1. 2186494B Whirlpool Refrigerator Water Filter Cap - Black

    2186494B Whirlpool Refrigerator Water Filter Cap - Black

    Built to fit into Whirlpool, KitchenAid, Maytag and Kenmore side-by-side refrigerator models that use a quarter-turn water filter in the bottom grille Learn More
    $13.99 Retail Price:  $17.24
  2. 2260518B Whirlpool PUR Refrigerator Water Filter Cap - Black

    2260518B Whirlpool PUR Refrigerator Water Filter Cap - Black

    Fits into Whirlpool, KitchenAid, Kenmore, Amana, Maytag and Jenn-Air side-by-side refrigerator models with a push-button filter located in the black bottom grille Learn More
    $22.99 Retail Price:  $27.59
  3. SGS-BLK Built NY Bottle-Slinger Neoprene Insulating Tote for 24-27 ounce bottles - Black
  4. 1-04101-OT-K-F2P Seychelle 27oz Stainless Steel Flip Top Bottle - Black - 1
  5. FU-WDF-103-B Tier1 Long-Reach Black Faucet FCT-LR-B - Black

    FU-WDF-103-B Tier1 Long-Reach Black Faucet FCT-LR-B - Black

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
    $32.99 Retail Price:  $34.49
  6. K27PPS-BE Klean Kanteen 27-Ounce Stainless Steel Water Bottle with Sport-Top - Black Eclipse
  7. KWPPC Klean Kanteen Cafe Cap

    KWPPC Klean Kanteen Cafe Cap

    Fits all Klean Kanteen wide and insulated bottle sizes Learn More
    $7.79 Retail Price:  $11.26
  8. KPPF Klean Kanteen Flat Cap

    KPPF Klean Kanteen Flat Cap

    Fits all Klean Kanteen bottle sizes Learn More
  9. KPPL Klean Kanteen Loop Cap

    KPPL Klean Kanteen Loop Cap

    Fits all Klean Kanteen bottle sizes Learn More
    $6.99
  10. KPPS Klean Kanteen Sport Cap 2.0

    KPPS Klean Kanteen Sport Cap 2.0

    Fits all Klean Kanteen bottle sizes Learn More
  11. 154166 Pentek Filter Housing Cap with Pressure Relief Button - Black

    154166 Pentek Filter Housing Cap with Pressure Relief Button - Black

    Fits #10 and #20 Big Blue housing sumps by Pentek, Culligan, and other brands Learn More
    $37.09 Retail Price:  $44.95
  12. 154167 Pentek Filter Housing Cap with Pressure Relief Button - Black

    154167 Pentek Filter Housing Cap with Pressure Relief Button - Black

    Fits #10 and #20 Big Blue housing sumps by Pentek, Culligan, and other brands Learn More
    $37.09 Retail Price:  $44.95
  13. 158319 Pentek Slim Line High Temp Filter Housing - Black

    158319 Pentek Slim Line High Temp Filter Housing - Black

    Fits standard 1/2-inch water lines Learn More
    $63.99 Retail Price:  $66.34
  14. 154134 Pentek Water Filtration System Housing Cap – (Black, 0.75 Inch)

    154134 Pentek Water Filtration System Housing Cap – (Black, 0.75 Inch)

    3/4 inch outlet, fits #10 and #20 Standard Blue water filtration system housings Learn More
    $21.99 Retail Price:  $27.59
  15. 154195 Pentek Water Filter Cap for Big Blue Housings (3/4 inch, Black)

    154195 Pentek Water Filter Cap for Big Blue Housings (3/4 inch, Black)

    3/4 inch outlet, fits #10 and #20 Standard Blue water filtration system housings Learn More
    $38.99 Retail Price:  $47.14
  16. 1OR Rusco O-Ring Gasket Kit

    1OR Rusco O-Ring Gasket Kit

    Fits 1 inch Rusco systems Learn More
    $3.99 Retail Price:  $6.89
  17. WOR-FF Watts Full Flow Water Filter Housing O-Ring

    WOR-FF Watts Full Flow Water Filter Housing O-Ring

    Fits Watts #10 & #20 Full-Flow Clear & Opaque Water Filter Housings and PurePro WF-10 & WF-20 Water Filter Housings Learn More
    $4.99 Retail Price:  $8.04
  18. FM-2000B PUR Basic Water Faucet Filtration System

    FM-2000B PUR Basic Water Faucet Filtration System

    Fits most standard residential sinks Learn More
    $19.99 Retail Price:  $33.34
  19. FM-3500B PUR Advanced Water Faucet Filtration System

    FM-3500B PUR Advanced Water Faucet Filtration System

    Fits most standard residential sinks Learn More
    $38.99 Retail Price:  $54.08
  20. EV3071-19 Everpure Water Filtration System O-Ring (4 Inch Diameter)

    EV3071-19 Everpure Water Filtration System O-Ring (4 Inch Diameter)

    For use in Series K pre-filters, scale inhibiting feeders and Kleensteam Model AR-X’s Learn More
    $5.99 Retail Price:  $9.34
  21. OR-100 Tier1 Lubricated O-Ring

    OR-100 Tier1 Lubricated O-Ring

    Fits into 10 and 20 inch Big Blue water filtration system housings Learn More
    $3.99 Retail Price:  $5.74
  22. OR-34 Tier1 O-Ring

    OR-34 Tier1 O-Ring

    Sized at 4 inches and fits into most standard whole house water filtration system housings Learn More
    $1.99 Retail Price:  $3.44
  23. 150194 Pentek High Temp Filtration System Housing (20 Inch)

    150194 Pentek High Temp Filtration System Housing (20 Inch)

    Sized 20 inches and connects via 3/4 inch NPT inlet/outlets Learn More

    Regular Price: $125.99

    Special Price: $114.05

  24. HRF-AP1 Honeywell Universal Carbon Pre-filter

    HRF-AP1 Honeywell Universal Carbon Pre-filter

    Fits all Honeywell Round Air Purifiers and more Learn More
    $16.99 Retail Price:  $19.34
  25. HRF-B1 Honeywell Household Odor and Gas Reducing Pre-filter

    HRF-B1 Honeywell Household Odor and Gas Reducing Pre-filter

    Fits most Honeywell Tower air purifiers Learn More
    $15.99 Retail Price:  $18.34

Items 1 to 25 of 27 total

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