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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.

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  1. 42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    $30.99 Retail Price:  $44.84
  2. 42645 Brita AquaView AVFF-100 Faucet Filter System - White
  3. 42201 Brita On-Tap FF-100 Faucet Filter System - White

    42201 Brita On-Tap FF-100 Faucet Filter System - White

    Fits any standard faucet Learn More
    $32.99 Retail Price:  $42.54
  4. 42401 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White

    42401 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White

    Fits all Brita "On-Tap" faucet mounted water filter systems (regardless of finish) Learn More
    $23.99 Retail Price:  $25.29
  5. 42402 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White (2-Pack)

    42402 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White (2-Pack)

    Fits all Brita "On-Tap" faucet mounted water filter systems (regardless of finish) Learn More
    $32.99 Retail Price:  $42.54
  6. ISH-100 Culligan Level 2 Inline Shower Filter for 1/2 inch thread Shower Heads

    ISH-100 Culligan Level 2 Inline Shower Filter for 1/2 inch thread Shower Heads

    Fits any standard 1/2-inch threaded shower arm Learn More
    $24.99 Retail Price:  $27.34
  7. GXULQ GE Undersink Filter System
  8. FM-3333B PUR 2-Stage Vertical Faucet Filter System - White
  9. FM-3400B PUR 3-Stage Vertical Faucet Filter System - White
  10. FM-9600B PUR 3-Stage Horizontal Faucet Filter System - White
  11. RF-3375 PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White

    RF-3375 PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White

    Fits all PUR faucet mount systems including Flavor Options Learn More
    $13.99 Retail Price:  $25.29
  12.  RF-3375-2-PACK PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White (2-Pack)

    RF-3375-2-PACK PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White (2-Pack)

    Fits all PUR faucet mount systems including Flavor Options Learn More
    $22.99 Retail Price:  $26.44
  13. CQ-1000-MS Rainshowr Shower Filter System with Pro Massage - White

    CQ-1000-MS Rainshowr Shower Filter System with Pro Massage - White

    Fits most residential showers and baths Learn More
    $45.99 Retail Price:  $55.19
  14. RS-502-MS Rainshowr Shower Filter System with Massage - White

    RS-502-MS Rainshowr Shower Filter System with Massage - White

    Fits most residential showers and baths Learn More
    $42.99 Retail Price:  $51.74
  15. 1-40100-W Seychelle Family Water Pitcher Regular Replacement Filter

    1-40100-W Seychelle Water Pitcher Replacement Filter

    Fits the Seychelle Family Water Pitcher Learn More
    $31.96
  16. BB-WH Sprite Filtered Bath Ball - White

    BB-WH Sprite Bath Ball Filter (White)

    Attaches easily onto any bath faucet Learn More
    $31.99 Retail Price:  $34.34
  17. HO-WH Sprite High Output Shower Filter System - White
  18. HO-WH-M Sprite High Output Shower Filter System - White
  19. HO2-WH Sprite High Output2 Shower Filter System - White

    HO2-WH Sprite High Output2 Shower Filter System (White)

    Fits most shower heads Learn More
    $33.99 Retail Price:  $41.39
  20. HR5-WH Sprite Royale Handheld Shower Filter System - White

    HR5-WH Sprite Royale Shower Filter System: Handheld, White

    Attaches easily to most residential showers and baths Learn More
    $42.99 Retail Price:  $51.74
  21. FU-WDF-103-W Tier1 Long-Reach Faucet - White

    FU-WDF-103-W Tier1 Long-Reach Faucet - White

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
  22. 85470 Inline Water Filters Washing Machine Inline Water Filter

    85470 Inline Water Filters Washing Machine Inline Water Filter

    Fits the hot or cold water faucet and hose connected to your washing machine Learn More
    $23.99 Retail Price:  $29.08
  23. F5-WHITE Instapure Complete Faucet Filter System - White

    F5-WHITE Instapure Complete Faucet Filter System - White

    Fits most standard kitchen water faucets Learn More
    $16.99 Retail Price:  $21.84
  24. R8-1PK-WHITE Instapure Ultra Faucet Filter Replacement Cartridge - White

    R8-1PK-WHITE Instapure Ultra Faucet Filter Replacement Cartridge - White

    Fits the Instapure F8 Faucet Water Filter System Learn More
    $18.99 Retail Price:  $24.02
  25. MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White

    MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White

    Fits reverse osmosis systems that use standard 11.75-inch to 12-inch membranes Learn More
    $18.99 Retail Price:  $24.14

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