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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. HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    Fits Culligan Reverse Osmosis system models AC15, AC30, LC50, and H83, and others Learn More
    $7.99 Retail Price:  $9.19
  2. HDG-SED-ACS Hydronix Replacement Filter Cartridge

    HDG-SED-ACS Hydronix Replacement Filter Cartridge

    Fits Culligan Reverse Osmosis system models AC15, AC30, LC50, and H83, and others Learn More
    $6.99 Retail Price:  $8.04
  3. S1224RS Microline CTA Reverse Osmosis Membrane

    S1224RS Microline CTA Reverse Osmosis Membrane

    Fits Microline Clack RO-10 and RO-14 reverse osmosis systems Learn More
    $59.99 Retail Price:  $68.99
  4. S1227RS Microline TFC Reverse Osmosis Membrane

    S1227RS Microline TFC Reverse Osmosis Membrane

    Fits Microline Clack TFC 335 and TFC 435 reverse osmosis systems Learn More
    $45.99 Retail Price:  $71.29
  5. S1229RS Microline TFC Reverse Osmosis Membrane

    S1229RS Microline TFC Reverse Osmosis Membrane

    Fits Microline Clack reverse osmosis systems TFC 335 and TFC 435 Learn More
    $59.99 Retail Price:  $71.29
  6. S7025 Microline Replacement Filter Cartridge

    S7025 Microline Replacement Filter Cartridge

    Fits Microline Clack reverse osmosis systems Learn More
    $10.99 Retail Price:  $14.94
  7. S7028 Microline Replacement Filter Cartridge

    S7028 Microline Replacement Filter Cartridge

    Fits Microline Clack reverse osmosis systems Learn More
    $17.99 Retail Price:  $20.69
  8. S7029 Microline Filter Housing Sump

    S7029 Microline Filter Housing Sump

    Fits Microline Clack manifolds, excluding the "old style" Learn More
    $19.99 Retail Price:  $22.34
  9. K2533-KK Omnipure Inline Filter

    K2533-KK Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $13.99 Retail Price:  $14.94

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