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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 49 total

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  • 255541-43 Pentek Inline Water Filter Replacement
  • WSQC-2 WaterSentinel Reverse Osmosis Carbon GAC Filter Cartridge
  • 150240 Pentek 10-inch Big Blue Housing

    150240 Pentek 10-inch Big Blue Housing

    $29.99 Retail Price:  $42.00
  • CB6 Multipure Aquaversa Comparable Water Filter: HDG-CB6-14 HydroGuard

    CB6 Comparable Water Filter: HDG-CB6-14 HydroGuard

    $29.99 Retail Price:  $43.99
  • TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  • EFS8002 Everpure Replacement Filter Cartridge

    EFS8002 Everpure Replacement Filter Cartridge

    $48.99 Retail Price:  $58.64
  • EFS8002-S Everpure Replacement Filter Cartridge

    EFS8002-S Everpure Replacement Filter Cartridge

    $49.99 Retail Price:  $59.79
  • EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    $41.99 Retail Price:  $45.99
  • EV9608-10 Everpure 2JT Flushing and Sanitizing Cartridge

    EV9608-10 Everpure 2JT Flushing and Sanitizing Cartridge

    $40.99 Retail Price:  $49.44
  • EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    $52.99 Retail Price:  $59.79
  • EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    $68.99 Retail Price:  $80.71
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $46.65 Retail Price:  $65.54
  • EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    $69.00 Retail Price:  $81.65
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $81.00 Retail Price:  $95.45
  • EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    $66.30 Retail Price:  $78.55
  • EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    $64.99 Retail Price:  $66.69
  • 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
  • AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    $7.99 Retail Price:  $9.19
  • AICRO-JGK Watts Inline Filter Cartridge
  • GXILQR GE SmartWater Inline Filter Replacement Cartridge
  • MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White
  • ELF-DK7 Omnipure Filter Head

    ELF-DK7 Omnipure Filter Head

    $10.99 Retail Price:  $16.09
  • K2533BB Omnipure Inline GAC Filter Cartridge

    K2533BB Omnipure Inline Water Filter Cartridge

    $9.99 Retail Price:  $13.79
  • 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
  • 3/4-100HT-F Rusco Hot Water Spin-Down Filter System

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

    $120.99 Retail Price:  $141.44
  • 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

    34-100STSS-F Rusco Sediment Trapper System

    $87.99 Retail Price:  $103.49
  • K2555-BB Omnipure Deionization Inline Water Filter

    K2555-BB Omnipure Deionization Inline Water Filter

    $19.99 Retail Price:  $25.29
  • K5605-BB Omnipure Inline Sediment Filter

    K5605-BB Omnipure Inline Sediment Filter

    $12.99 Retail Price:  $17.24
  • 1-1/4-100 HT-F Rusco Hot Water Spin-Down Filter

    1-1/4-100 HT-F Rusco Hot Water Spin-Down Filter

    $166.99 Retail Price:  $194.34
  • RUSCO-1-14-140HT-F

    1-1/4-140 HT-F Rusco Hot Water Spin-Down Filtration System

    $159.99 Retail Price:  $186.29
  • 3/4-30SS-F Rusco Stainless Steel Screen Spin-Down Water Filtration System
  • 3/4-500-F Rusco Polyester Screened Spin-Down Water Filtration System
  • 3/4-500ST-F Rusco Polyester Screen Sediment Trapper System
  • K5528-BB Omnipure Carbon Inline Water Filter

    K5528-BB Omnipure Carbon Inline Water Filter

    Regular Price: $11.99

    Special Price: $11.05

  • 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

Items 1 to 48 of 49 total

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