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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.

Items 1 to 48 of 75 total

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  • K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Regular Price: $21.99

    Special Price: $21.05

  • CL6ROT33-A Omnipure GAC Inline Water Filter
  • HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    $7.99 Retail Price:  $9.19
  • CL10PF5-B Omnipure Sediment Inline Filter

    CL10PF5-B Omnipure Sediment Inline Filter

    $12.99 Retail Price:  $13.79
  • 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-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
  • E5320 Omnipure Replacement Filter Cartridge

    E5320 Omnipure Replacement Filter Cartridge

    Regular Price: $12.99

    Special Price: $11.05

  • E5515-P Omnipure Replacement Filter Cartridge

    E5515-P Omnipure Replacement Filter Cartridge

    $25.99 Retail Price:  $31.04
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99 Retail Price:  $26.44
  • E5615 Omnipure Replacement Filter Cartridge

    E5615 Omnipure Replacement Filter Cartridge

    $26.99 Retail Price:  $40.24
  • E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    $20.99 Retail Price:  $31.04
  • E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    $45.99 Retail Price:  $52.89
  • E5715-P Omnipure Replacement Filter Cartridge

    E5715-P Omnipure Replacement Filter Cartridge

    $39.99 Retail Price:  $57.49
  • E5720 Omnipure Replacement Filter Cartridge

    E5720 Omnipure Replacement Filter Cartridge

    $33.99 Retail Price:  $36.34
  • E5720-P Omnipure Replacement Filter Cartridge

    E5720-P Omnipure Replacement Filter Cartridge

    $25.99 Retail Price:  $32.19
  • 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
  • K2505-JJ Omnipure Sediment Inline Filter

    K2505-JJ Omnipure Sediment Inline Filter

    $12.99 Retail Price:  $16.09
  • K2515-JJ Omnipure Lead Cyst Inline Filter

    K2515-JJ Omnipure Lead Cyst Inline Filter

    $19.99 Retail Price:  $25.29
  • K2520-JJ Omnipure Inline Filter

    K2520-JJ Omnipure Inline Filter

    $18.99 Retail Price:  $24.14
  • K2528-JJ Omnipure Inline Filter

    K2528-JJ Omnipure Inline Filter

    $9.99 Retail Price:  $13.79
  • K2533BB Omnipure Inline GAC Filter Cartridge
  • 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
  • K5505JJ Omnipure Sediment Filter Cartridge

    K5505JJ Omnipure Sediment Filter Cartridge

    $16.99 Retail Price:  $21.84
  • K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    $23.99 Retail Price:  $25.29
  • K5520P-JJ Omnipure Inline Phosphate Filter

    K5520P-JJ Omnipure Inline Phosphate Filter

    $19.99 Retail Price:  $27.59
  • K5567BB Omnipure Inline Filter Replacement Cartridge

    K5567BB Omnipure Inline Filter Replacement Cartridge

    $18.79 Retail Price:  $23.91
  • K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    $20.99 Retail Price:  $23.34
  • K5633CC Omnipure Inline GAC Filter Cartridge

    K5633CC Omnipure Inline GAC Water Filter

    $15.99 Retail Price:  $17.24
  • K5633JJ Omnipure Inline GAC Filter Cartridge

    K5633JJ Omnipure Inline GAC Filter Cartridge

    $14.39 Retail Price:  $18.85
  • Q5505 Omnipure Water Filter

    Q5505 Omnipure Water Filter

    $11.49 Retail Price:  $15.51
  • Q5515 Omnipure Water Filter

    Q5515 Omnipure Water Filter

    $17.99 Retail Price:  $20.34
  • Q5515-P Omnipure Replacement Filter Cartridge

    Q5515-P Omnipure Replacement Filter Cartridge

    $28.99 Retail Price:  $35.64

Items 1 to 48 of 75 total

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