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 Filters by Tier1

Save on Tier1 Water Filters at Discountfilterstore.com
Clear All
Compare

Items 1 to 25 of 131 total

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

Grid  List 

Set Descending Direction
  1. KDF55-20 Tier1 Replacement Filter Cartridge

    KDF55-20 Tier1 Replacement Filter Cartridge

    Fits most standard housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $87.99 MSRP:  $93.34
  2. TFM-18-A Tier1 Reverse Osmosis Membrane

    TFM-18-A Tier1 Reverse Osmosis Membrane

    Fits select Culligan and various other brands of reverse osmosis systems Learn More
    $35.99 MSRP:  $45.99
  3. TFM-36-A Tier1 Reverse Osmosis Membrane

    TFM-36-A Tier1 Reverse Osmosis Membrane

    Fits select Culligan reverse osmosis systems Learn More
    $36.99 MSRP:  $49.99
  4. TFM-50-A Tier1 Reverse Osmosis Membrane

    TFM-50-A Tier1 Reverse Osmosis Membrane

    Fits select Culligan reverse osmosis systems Learn More
    $45.99 MSRP:  $55.19
  5. Funbottle-dfs-green Tier1 Water Bottle - Green
  6. IC6-38Q Tier1 Inline Water Filter

    IC6-38Q Tier1 Inline Water Filter

    For use on cold water lines only Learn More
    $8.99 MSRP:  $16.99
  7. CBC-10BB-WF Tier1 Water Filter Cartridge

    CBC-BB Pentek Comparable Water Filter Cartridge by Tier1

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More
    $42.99 MSRP:  $60.59
  8. CBC-20 Tier1 Water Filter Cartridge

    CBC-20 Tier1 Water Filter Cartridge

    Fits filtration system housings that accepts 20 x 2.5 inch cartridges Learn More
    $25.99 MSRP:  $32.77
  9. CBC-20BB-WF Tier1 Water Filter Cartridge

    CBC-20BB-WF Tier1 Water Filter Cartridge

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More
    $68.99 MSRP:  $84.99
  10. CTW-10-WF Tier1 Countertop Water Filter System

    CTW-10-WF Tier1 Countertop Water Filter System

    Fits onto virtually any faucet. Uses a 10 x 2.5 water filter cartridge, sold separately. Learn More
  11. KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    Sized 9 7/8 x 2 1/2 inches, this filter will fit into #10 Standard or #10 SlimLine water filtration system housings Learn More
    $23.99 MSRP:  $27.34
  12. KDF55-10BB Tier1 Water Filter

    KDF55-10BB Tier1 Water Filter

    Sized at 10 x 4.5 inches, this filter will fit into all #10 Big Blue filtration system housings Learn More
  13. AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter

    AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter

    Fits water filtration systems that accept 20 x 4.5 inch cartridges, including the #20 Big Blue and Big Boy housings by Pentek Learn More
    $89.99 MSRP:  $119.99
  14. AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    Fits standard number 10, slim-line number 10, and other filter housings using 10 x 2.5-inch filters Learn More
    $36.99 MSRP:  $56.39
  15. KDF85-10BB Tier1 Water Filter

    KDF85-10BB Tier1 Water Filter

    Sized at 10 x 4.5 inches, this filter will fit into all #10 Big Blue filtration system housings Learn More
    $81.99 MSRP:  $86.24
  16. F-20-2215 Aries Polypropylene Sediment Water Filter Replacement by Tier1
  17. KDF-SHF Tier1 Shower Filter

    KDF-SHF Tier1 Shower Filter

    Attaches inline to any shower head Learn More
    $29.99 MSRP:  $36.79
  18. PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 10 x 2.5-inch filters Learn More
    $3.99 MSRP:  $6.99
  19. P10-5 Tier1 Polypropylene Sediment Filter

    P10-5 Tier1 Polypropylene Sediment Filter

    Sized 4 7/8 x 2 1/2 inches Learn More
    $3.99 MSRP:  $5.74
  20. P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    Sized 4 7/8 x 2 1/2 inches Learn More
    $4.99 MSRP:  $8.34
  21. TW30-1810-50 Tier1 Reverse Osmosis Membrane

    TW30-1810-50 Tier1 Reverse Osmosis Membrane

    Fits Whirlpool WHER18 and UltraFilter 350, 450, 500, and 550 RO systems Learn More
    $70.99 MSRP:  $88.54
  22. PWF-1000 Water Filter Pitcher (6-Cup) by Tier1
  23. EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (6-Pack)

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (6-Pack)

    Fits most standard 10-inch housings Learn More

    $96.99

  24. W50PEHD American Plumber Comparable Filter by Tier1 (6-Pack)
  25. C1-20 Pentek Comparable Whole House Water Filter by Tier1 (2-Pack)

    C1-20 Pentek Comparable Whole House Carbon Water Filter by Tier1 (2-Pack)

    Fits most standard 20 x 2.5-inch housings Learn More

    $27.09

Items 1 to 25 of 131 total

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

Grid  List 

Set Descending Direction
Scroll To Top