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 & 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 48 of 136 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
  • 3M Aqua-Pure SS8 EPE-316L Whole House Stainless Steel Filter Housing
  • 3M Aqua-Pure SS20 EPE-316L Whole House Stainless Steel Filter Housing
  • 650627 Viqua PRO Solenoid Valve Kit

    650627 Viqua PRO Solenoid Valve Kit

    $315.99
    MSRP: $450.00
    Save 30%
  • Pleatco PA137-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PA137-PAK4 Pool and Spa Replacement Filter (4-Pack)

    $326.29
    MSRP: $385.99
    Save 15%
  • 650713-007 Viqua UV Disinfection System Controller

    650713-007 Viqua UV Disinfection System Controller

    $338.09
    MSRP: $467.99
    Save 28%
  • 650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    $348.79
    MSRP: $437.99
    Save 20%
  • 650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    $393.99
    MSRP: $565.00
    Save 30%
  • S8Q-PA Sterilight UV Water Sterilizer System - 10 GPM
  • VIQUA-S5Q-PV

    S5Q-PV Viqua Specialty UltraViolet Water Disinfection System

    $399.99
    MSRP: $526.00
    Save 24%
  • 200373 Axeon Reverse Osmosis Membrane

    200373 Axeon Reverse Osmosis Membrane

    $418.99
    MSRP: $421.34
    Save 1%
  • VIQUA-S8Q-PA

    S8Q-PA Viqua Home UltraViolet Water Disinfection System

    $445.09
    MSRP: $530.99
    Save 16%
  • Viqua VT4-DWS11 Ultraviolet Filtration System

    Viqua VT4-DWS11 Ultraviolet Filtration System

    $448.49
    MSRP: $529.99
    Save 15%
  • 650682 Trojan UVMAX E4 UV Disinfection System
  • VIQUA-E4
  • SC-740 Sterilight UV Disinfection System – 40 GPM
  • VIQUA-E4-V
  • VIQUA-D4+

    650695-R D4+ Viqua Home Plus UltraViolet Water Disinfection System

    $1,065.99
    MSRP: $1,395.00
    Save 24%
  • VIQUA-IHS12-D4

    IHS12-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,112.79
    MSRP: $1,323.99
    Save 16%
  • VIQUA-IHS22-D4

    IHS22-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,125.99
    MSRP: $1,495.00
    Save 25%
  • VIQUA-E4+
  • SPV-950 Sterilight UV Water Sanitizer System
  • 650659 Trojan UVMAX Pro 30 UV Disinfection System
  • VIQUA-PRO50
  • 254NM-FP2 Sterilight Flow Pace UV Sensor
  • BA-E36122 Sterilight UV Disinfection System Electronic Ballast

    BA-E36122 Sterilight UV Disinfection System Electronic Ballast

    $303.00
    MSRP: $351.89
    Save 14%
  • 650580 Trojan UV Max UV Water Purification System Sensor
  • 650388 Trojan UV Max UV Water Purification System
  • RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  • 2110070 Katadyn Camping Filter System

    2110070 Katadyn Camping Filter System

    $317.95
    MSRP: $367.94
    Save 14%
  • PSC-154 HM Digital Controller

    PSC-154 HM Digital Controller

    $318.89
    MSRP: $376.99
    Save 15%
  • AG4040FF Desal Commercial Reverse Osmosis Membrane

    AG4040FF Desal Reverse Osmosis Membrane

    $319.99
    MSRP: $370.29
    Save 14%
  • Quad-MC2 Everpure Replacement Filter Cartridge Kit

    Quad-MC2 Everpure Replacement Filter Cartridge Kit

    $320.99
    MSRP: $501.99
    Save 36%
  • WI-BG6000FFC Body Glove Water Filter Cartridge

    WI-BG6000FFC Body Glove Water Filter Cartridge

    $325.29
    MSRP: $408.99
    Save 20%
  • AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    $329.99
    MSRP: $381.79
    Save 14%
  • UV-110-1 Pentek UV System
  • BG-1000 Body Glove Water Filtration System

    BG-1000 Body Glove Water Filtration System

    $343.99
    MSRP: $426.95
    Save 19%
  • LSJC10 Lifesaver 10000UF Jerrycan
  • CIC-152 HM Digital Controller

    CIC-152 HM Digital Controller

    $348.00
    MSRP: $357.59
    Save 3%
  • S5Q-PA UV Sterilight Water Sterilizer System
  • SST2HB 3M Aqua-Pure Whole House Filter System

    SST2HB 3M Aqua-Pure Whole House Water Filtration System

    $350.99
    MSRP: $415.12
    Save 15%
  • 55-SWZ-60735 Aquatec 12V / 30 Amp / 120 PSI Water Pump
  • 66-4311 Water Factory Systems Reverse Osmosis Membrane

    66-4311 Water Factory Systems Reverse Osmosis Membrane

    $363.79
    MSRP: $693.99
    Save 48%
  • 66-1311 Water Factory Systems Reverse Osmosis Membrane

    66-1311 Water Factory Systems Reverse Osmosis Membrane

    $365.99
    MSRP: $488.74
    Save 25%
  • 8013618 Katadyn Camping Filter System

    8013618 Katadyn Camping Filter System

    $369.95
    MSRP: $427.74
    Save 14%
  • Hard Water Genie Salt-Free Treatment Conditioner, Water Softener and Descaler System
  • EV9324-02 Everpure Ice Machine Filter System

    EV9324-02 Everpure Ice Machine Filter System

    $376.99
    MSRP: $450.79
    Save 16%
  • A850 Hydrotech Tannin Select Resin
  • SQC-3 Water Factory Systems Reverse Osmosis Filter System

    SQC-3 Water Factory Systems Reverse Osmosis Filter System

    $389.99
    MSRP: $450.79
    Save 13%

Items 1 to 48 of 136 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
Scroll To Top