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, & Parts

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 193 to 240 of 360 total

Page:
  1. 3
  2. 4
  3. 5
  4. 6
  5. 7

Grid  List 

Set Descending Direction
  • 3MROP416-20A Water Factory Systems Replacement Filter Cartridge
  • 47-55708G2 Water Factory Systems Replacement Filter Cartridge
  • MAXETW-975 Watts C-MAX Replacement Filter Cartridge

    MAXETW-975 Watts C-MAX Replacement Water Filter Cartridge

    $12.59
    MSRP: $18.99
    Save 34%
  • MAXPB-975 Watts C-MAX Replacement Filter Cartridge

    MAXPB-975 Watts C-MAX Water Filter Cartridge

    $18.99
    MSRP: $27.99
    Save 32%
  • MAXVOC-975 Watts C-MAX Replacement Filter Cartridge

    MAXVOC-975 Watts C-MAX Water Filter Cartridge

    $18.99
    MSRP: $22.99
    Save 17%
  • Whirlpool WHAB-6009 Replacement Unit A Water Filter Cartridge

    WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge

    $36.99
    MSRP: $77.99
    Save 53%
  • Whirlpool WHAB-6010 Replacement Unit B Filter Cartridge

    WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    $48.99
    MSRP: $62.09
    Save 21%
  • WHKF-DB1 Whirlpool Undersink Replacement Filter Cartridge
  • Whirlpool WHKF-DB2 Undersink Replacement Water Filter Cartridge
  • 41400009 Hydrotech Reverse Osmosis Filter

    41400009 Hydrotech Reverse Osmosis Filter

    $15.69
    MSRP: $23.99
    Save 35%
  • 41400010 Hydrotech Lead Filter
  • 41400011 Hydrotech Replacement Filter Cartridge

    41400011 Hydrotech Replacement Filter Cartridge

    $15.99
    MSRP: $19.54
    Save 18%
  • MATRIKX-5-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • MATRIKX-5-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge
  • 01-250-125-050 KX Technologies Replacement Filter Cartridge
  • LSCF Lifesaver Replacement Activated Carbon Filter (4-Pack)
  • K00338 Manitowoc Arctic Pure Ice Maker Filter

    K00338 Manitowoc Arctic Pure Ice Maker Filter

    $70.69
    MSRP: $118.99
    Save 41%
  • K00339 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    K00339 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    $93.99
    MSRP: $138.99
    Save 32%
  • 3038333 Merlin Reverse Osmosis Carbon Pre Filter

    3038333 Merlin Reverse Osmosis Carbon Pre Filter

    $28.49
    MSRP: $35.99
    Save 21%
  • 9001 Moen Faucet Filter Replacement Cartridge - 1

    9001 Moen Faucet Filter Cartridge

    $67.99
    MSRP: $73.59
    Save 8%
  • 9601 Moen ChoiceFlo Faucet Filter Replacement Cartridge
  • R1100 OmniFilter Quick Change Inline Refrigerator Filter
  • R800 OmniFilter Quick Change Inline Refrigerator Filter
  • E5320 Omnipure Replacement Filter Cartridge

    E5320 Omnipure Replacement Filter Cartridge

    $13.69
    MSRP: $21.99
    Save 38%
  • E5515-P Omnipure Replacement Filter Cartridge

    E5515-P Omnipure Replacement Filter Cartridge

    $27.39
    MSRP: $34.99
    Save 22%
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99
    MSRP: $26.44
    Save 17%
  • E5615 Omnipure Replacement Filter Cartridge

    E5615 Omnipure Replacement Filter Cartridge

    $26.99
    MSRP: $40.24
    Save 33%
  • E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    $22.19
    MSRP: $33.99
    Save 35%
  • E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    $45.99
    MSRP: $52.89
    Save 13%
  • E5715-P Omnipure Replacement Filter Cartridge

    E5715-P Omnipure Replacement Filter Cartridge

    $41.19
    MSRP: $55.99
    Save 26%
  • E5720 Omnipure Replacement Filter Cartridge

    E5720 Omnipure Replacement Filter Cartridge

    $33.99
    MSRP: $36.34
    Save 6%
  • E5720-P Omnipure Replacement Filter Cartridge

    E5720-P Omnipure Replacement Filter Cartridge

    $25.99
    MSRP: $32.19
    Save 19%
  • ELF-1M Omnipure Replacement Filter Cartridge
  • ELF-1ML Omnipure Replacement Filter Cartridge

    ELF-1ML Omnipure Replacement Filter Cartridge

    $31.99
    MSRP: $40.24
    Save 21%
  • ELFXL-1M Omnipure Replacement Filter Cartridge

    ELFXL-1M Omnipure Replacement Filter Cartridge

    $38.49
    MSRP: $50.99
    Save 25%
  • K2515-JJ Omnipure Lead Cyst Inline Filter

    K2515-JJ Omnipure Lead Cyst Inline Filter

    $22.09
    MSRP: $33.99
    Save 35%
  • K2520-JJ Omnipure Inline Filter

    K2520-JJ Omnipure Inline Filter

    $20.99
    MSRP: $29.99
    Save 30%
  • K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    $26.49
    MSRP: $35.99
    Save 26%
  • K5520P-JJ Omnipure Inline Phosphate Filter

    K5520P-JJ Omnipure Inline Phosphate Filter

    $19.99
    MSRP: $27.59
    Save 28%
  • OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge
  • Q5515 Omnipure Water Filter

    Q5515 Omnipure Water Filter

    $18.99
    MSRP: $40.99
    Save 54%
  • Q5515-P Omnipure Replacement Filter Cartridge

    Q5515-P Omnipure Replacement Filter Cartridge

    $30.59
    MSRP: $43.99
    Save 30%
  • Q5615 Omnipure Replacement Filter Cartridge

    Q5615 Omnipure Replacement Filter Cartridge

    $31.79
    MSRP: $39.99
    Save 21%
  • Q5615-P Omnipure Replacement Filter Cartridge

    Q5615-P Omnipure Replacement Filter Cartridge

    $28.99
    MSRP: $36.79
    Save 21%
  • Q5620 Omnipure Replacement Filter Cartridge

    Q5620 Omnipure Replacement Filter Cartridge

    $19.99
    MSRP: $25.29
    Save 21%
  • Q5620-P Omnipure Replacement Filter Cartridge

    Q5620-P Omnipure Replacement Filter Cartridge

    $25.39
    MSRP: $36.99
    Save 31%
  • Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    $21.09
    MSRP: $27.99
    Save 25%

Items 193 to 240 of 360 total

Page:
  1. 3
  2. 4
  3. 5
  4. 6
  5. 7

Grid  List 

Set Descending Direction
Scroll To Top