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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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  • GS-10-B Pentek Inline Filter Replacement Cartridge
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    $24.69 Retail Price:  $30.69
  • GS-6RO-B Pentek Inline Filter Replacement Cartridge

    GS-6RO-B Pentek Inline Water Filter Cartridge

    $9.99 Retail Price:  $12.18
  • K2567-BB Omnipure Inline Filter

    K2567-BB Omnipure Inline Filter

    $14.99 Retail Price:  $19.54
  • K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    $23.99 Retail Price:  $25.29
  • K5562-BB-NRW37 Omnipure Deionization Inline Filter

    K5562-BB-NRW37 Omnipure Deionization Inline Filter

    $22.99 Retail Price:  $25.29
  • 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
  • QNVH-BB Omnipure Twist Tap 1/4-inch NPT Non-Valved Filter Head

    QNVH-BB Omnipure Twist-Tap Water Filter Head

    $11.99 Retail Price:  $16.09
  • SCL10-B Omnipure Scale Inline Filter

    SCL10-B Omnipure Scale Inline Filter

    $12.99 Retail Price:  $17.24
  • VH14 Omnipure Filter Head

    VH14 Omnipure Filter Head

    $18.99 Retail Price:  $24.14
  • VH38 Omnipure Filter Head

    VH38 Omnipure Filter Head

    $18.99 Retail Price:  $24.14
  • 3/4-100-F Rusco Spin-Down Water Filter System

    3/4-100-F Rusco Spin-Down Water Filter System

    $77.99 Retail Price:  $91.99
  • 100STSS-F Rusco Sediment Trapper System

    100STSS-F Rusco Sediment Trapper System

    $87.99 Retail Price:  $103.49
  • K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    $22.99 Retail Price:  $28.74
  • K5615-BB Omnipure Carbon Block Inline Filter

    K5615-BB Omnipure Carbon Block Inline Filter

    $24.99 Retail Price:  $31.04
  • SL10-C Omnipure Phosphate Inline Filter

    SL10-C Omnipure Phosphate Inline Filter

    $25.99 Retail Price:  $32.19

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