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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.

47 Item(s)

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  • CL6ROT33-A Omnipure GAC Inline Water Filter
  • IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  • AP327 3M Aqua-Pure Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP317 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99 Retail Price:  $34.49
  • P1012581 Culligan Undersink Replacement Filter Cartridge
  • EV9100-08 Everpure IN-10 Inline Filter with 3/8 inch NPT threads

    EV9100-08 Everpure IN-10 Inline Water Filter

    $20.99 Retail Price:  $33.34
  • EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    $64.99 Retail Price:  $66.69
  • ICF-10 Hydronix Inline Coconut Carbon Filter

    ICF-10 Hydronix Inline Coconut Carbon Filter

    $7.05 Retail Price:  $9.19
  • ICF-10Q Hydronix Inline Coconut Carbon Filter

    ICF-10Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  • ICF-10Q38 Hydronix Inline Coconut Carbon Filter

    ICF-10Q38 Hydronix Inline Coconut Carbon Filter

    $8.99 Retail Price:  $11.49
  • ICF-2512 Hydronix Inline Coconut Carbon Filter

    ICF-2512 Hydronix Inline Coconut Carbon Filter

    $23.99 Retail Price:  $26.34
  • ICF-6 Hydronix Inline Coconut Carbon Filter

    ICF-6 Hydronix Inline Coconut Carbon Filter

    $5.99 Retail Price:  $9.19
  • ICF-6Q Hydronix Inline Coconut Carbon Filter

    ICF-6Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  • GS-6RO-B Pentek Inline Filter Replacement Cartridge
  • QC10-TSGAC Pentek Undersink Quick-Change Filter System
  • QC10-TSGACR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • TS-101L Pentek Lime/Scale Inline Filter

    TS-101L Pentek Lime/Scale Inline Filter

    $11.99 Retail Price:  $15.28
  • AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    $7.99 Retail Price:  $9.19
  • CL10ROT33-B Omnipure Inline Filter

    CL10ROT33-B Omnipure Inline Filter

    $10.99 Retail Price:  $13.79
  • CL10ROT33-C Omnipure Inline Filter

    CL10ROT33-C Omnipure Inline Filter

    $9.99 Retail Price:  $13.79
  • CL10ROT40-B Omnipure Inline Coconut Carbon Filter

    CL10ROT40-B Omnipure Inline Coconut Carbon Filter

    $9.99 Retail Price:  $13.79
  • CL10ROT40-C Omnipure Inline Coconut Carbon Filter

    CL10ROT40-C Omnipure Inline Coconut Carbon Filter

    $8.99 Retail Price:  $12.64
  • CL6ROT33-B Omnipure Inline Filter

    CL6ROT33-B Omnipure Inline Filter

    $9.99 Retail Price:  $11.49
  • CL6ROT33-C Omnipure Inline Filter

    CL6ROT33-C Omnipure Inline Filter

    $7.99 Retail Price:  $11.49
  • K2333-JJ Omnipure Inline Filter

    K2333-JJ Omnipure Inline Filter

    $10.99 Retail Price:  $13.79
  • K2333-KK Omnipure Inline Filter

    K2333-KK Omnipure Inline Filter

    $12.99 Retail Price:  $13.79
  • K2528-JJ Omnipure Inline Filter

    K2528-JJ Omnipure Inline Filter

    $9.99 Retail Price:  $13.79
  • K2533BB Omnipure Inline GAC Filter Cartridge

    K2533BB Omnipure Inline Water Filter Cartridge

    $9.99 Retail Price:  $13.79
  • K2533JJ Omnipure Water Filter

    K2533JJ Omnipure Water Filter

    $11.99 Retail Price:  $13.79
  • K2533-KK Omnipure Inline Filter

    K2533-KK Omnipure Inline Filter

    $13.99 Retail Price:  $14.94
  • K2533TJ Omnipure Inline Carbon Filter

    K2533TJ Omnipure Inline Carbon Filter

    $9.99 Retail Price:  $13.79
  • K2540-JJ Omnipure Inline Coconut Carbon Filter

    K2540-JJ Omnipure Inline Coconut Carbon Filter

    $11.99 Retail Price:  $16.09
  • K2567-BB Omnipure Inline Filter

    K2567-BB Omnipure Inline Filter

    $14.99 Retail Price:  $19.54
  • K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge
  • K5567BB Omnipure Inline Filter Replacement Cartridge

    K5567BB Omnipure Inline Filter Replacement Cartridge

    $18.79 Retail Price:  $23.91
  • K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    Regular Price: $20.99

    Special Price: $20.05

  • K5586-JJ Omnipure Inline Phosphate Filter

    K5586-JJ Omnipure Inline Phosphate Filter

    $14.99 Retail Price:  $19.54
  • Q5386 Omnipure Inline Filter Replacement Cartridge

    Q5386 Omnipure Inline Filter Replacement Cartridge

    $14.99 Retail Price:  $20.00
  • Q5486 Omnipure Twist-Tap Inline Filter Replacement Cartridge
  • Q5528 Omnipure Replacement Filter Cartridge

    Q5528 Omnipure Replacement Filter Cartridge

    $13.99 Retail Price:  $17.24
  • E5486 Omnipure Water Filter

    E5486 Omnipure Water Filter

    $17.99 Retail Price:  $20.34
  • K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    $16.99 Retail Price:  $21.84
  • CL10ROT33-A Omnipure GAC Inline Water Filter

    CL10ROT33-A Omnipure GAC Inline Water Filter

    $10.99 Retail Price:  $14.94
  • K5528-BB Omnipure Carbon Inline Water Filter

    K5528-BB Omnipure Carbon Inline Water Filter

    Regular Price: $11.99

    Special Price: $11.05

  • CL10ROT28-A Omnipure Inline Water Filter

    CL10ROT28-A Omnipure Inline Water Filter

    $8.99 Retail Price:  $12.64
  • E5628 Omnipure E-Series Water Filter

    E5628 Omnipure E-Series Water Filter

    $14.99 Retail Price:  $19.54

47 Item(s)

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