Discount Water Filters and Air Filters at Discount Filter Store.com

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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.

48 Item(s)

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  • IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  • FRSS-1.5 Sterilight 1.5 GPM 1/2-inch Flow Restrictor
  • FRSS-2.5 Sterilight 2.5 GPM 1/2-inch Flow Restrictor
  • FRSS-3.5 Sterilight 3.5 GPM 1/2-inch Flow Restrictor
  • FRSS-6 Sterilight 6 GPM 1-inch Flow Restrictor
  • FRSS-6-34 Sterilight 6 GPM 3/4-inch Flow Restrictor
  • Sterilight 8 GPM 1-inch Flow Restrictor
  • FRSS-10 Sterilight 10 GPM 3/4-inch Flow Restrictor
  • ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge
  • FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    $52.99
    MSRP: $90.00
    Save 41%
  • FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    $64.99
    MSRP: $110.00
    Save 41%
  • FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    $64.99
    MSRP: $110.00
    Save 41%
  • FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    $69.99
    MSRP: $90.00
    Save 22%
  • FRSS-20 Viqua 20 GPM 1-inch Flow Restrictor

    FRSS-20 Viqua 20 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    $69.99
    MSRP: $90.00
    Save 22%
  • FRSS-6 Viqua 6 GPM 1-inch Flow Restrictor

    FRSS-6 Viqua 6 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • FRSS-6-34 Viqua 6 GPM 3/4-inch Flow Restrictor

    FRSS-6-34 Viqua 6 GPM 3/4-inch Flow Restrictor

    $67.39
    MSRP: $96.99
    Save 31%
  • FRSS-8 Viqua 8 GPM 1-inch Flow Restrictor

    FRSS-8 Viqua 8 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • 200520 Axeon 2540 PVC Membrane Housing

    200520 Axeon 2540 PVC Membrane Housing

    $98.99
    MSRP: $122.99
    Save 20%
  • 200521 Axeon 4014 PVC Membrane Housing

    200521 Axeon 4014 PVC Membrane Housing

    $139.99
    MSRP: $173.99
    Save 20%
  • WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  • 650652 Trojan UV Max UV System
  • 650653 Trojan UV Max UV System
  • EV9100-08 Everpure IN-10 Inline Filter with 3/8 inch NPT threads

    EV9100-08 Everpure IN-10 Inline Water Filter

    $22.49
    MSRP: $30.99
    Save 27%
  • EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    $70.05
    MSRP: $176.99
    Save 60%
  • EV9797-20 Everpure Scale Inhibitor Feeder and Deliming System

    EV9797-20 Everpure Scale Inhibitor Feeder and Deliming System

    $178.69
    MSRP: $323.99
    Save 45%
  • EV9797-21 Everpure Commercial Filter System

    EV9797-21 Everpure Commercial Filter System

    $599.99
    MSRP: $692.29
    Save 13%
  • SC10-11 Everpure Commercial Filter System

    SC10-11 Everpure Commercial Filter System

    $260.99
    MSRP: $298.99
    Save 13%
  • ICF-10 Hydronix Inline Coconut Carbon Filter

    ICF-10 Hydronix Inline Coconut Carbon Filter

    $7.05
    MSRP: $9.19
    Save 23%
  • ICF-2512 Hydronix Inline Coconut Carbon Filter

    ICF-2512 Hydronix Inline Coconut Carbon Filter

    $25.69
    MSRP: $34.99
    Save 27%
  • ICF-6 Hydronix Inline Coconut Carbon Filter

    ICF-6 Hydronix Inline Coconut Carbon Filter

    $6.39
    MSRP: $13.99
    Save 54%
  • ISF-10 Hydronix Sediment Inline Filter

    ISF-10 Hydronix Sediment Inline Filter

    $7.49
    MSRP: $14.99
    Save 50%
  • ISF-2512 Hydronix Sediment Inline Filter

    ISF-2512 Hydronix Sediment Inline Filter

    $9.59
    MSRP: $18.99
    Save 49%
  • 650388 Trojan UV Max UV Water Purification System
  • 650651 Trojan UV Max UV Water Purification System
  • UVBB-3 PURA UV Disinfection System

    UVBB-3 PURA UV Disinfection System

    $689.09
    MSRP: $877.99
    Save 22%
  • EV9256-18 Everpure QL1-SingleHead Water Filter Head

    EV9256-18 Everpure QL1-SingleHead Water Filter Head

    $33.08
    MSRP: $42.54
    Save 22%
  • 200519 Axeon 2521 PVC Membrane Housing

    200519 Axeon 2521 PVC Membrane Housing

    $92.99
    MSRP: $115.00
    Save 19%
  • 200524 Axeon 4021 PVC Membrane Housing

    200524 Axeon 4021 PVC Membrane Housing

    $154.99
    MSRP: $190.99
    Save 19%
  • FRSS-12 Sterilight 12 GPM 1-inch Flow Restrictor
  • FRSS-20 Sterilight 20 GPM 1-inch Flow Restrictor
  • 650653 PRO20 Viqua Professional Plus UltraViolet Disinfection System

    650653 PRO20 Viqua Professional Plus UltraViolet Disinfection System

    $2,149.00
    MSRP: $2,765.00
    Save 22%
  • 650686 F4 Viqua Professional Plus UltraViolet Disinfection System

    650686 F4 Viqua Professional Plus UltraViolet Disinfection System

    $1,125.99
    MSRP: $1,498.00
    Save 25%
  • 650687 F4+ Viqua Professional Plus UltraViolet Disinfection System

    650687 F4+ Viqua Professional Plus UltraViolet Disinfection System

    $1,569.99
    MSRP: $2,095.00
    Save 25%
  • 650651 H Viqua Professional Plus UltraViolet Disinfection System

    650651 H Viqua Professional Plus UltraViolet Disinfection System

    $1,725.00
    MSRP: $2,295.00
    Save 25%
  • 650652 H+ Viqua Professional Plus UltraViolet Disinfection System
  • Viqua VT1 Point-Of-Use UV System

    VT1 Viqua Point-Of-Use UltraViolet Disinfection System

    $180.79
    MSRP: $221.99
    Save 19%

48 Item(s)

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