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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 97 to 144 of 1832 total

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  • K2586-KK Omnipure Inline Water Filter

    K2586-KK Omnipure Inline Water Filter

    $12.99 Retail Price:  $17.99
  • 22155 Triton Water Filter Replacement Membrane by Hydrologic

    22155 Triton Water Replacement Membrane by Hydrologic

    $60.99 Retail Price:  $79.99
  • AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    $16.99 Retail Price:  $22.99
  • 200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane
  • D-25 Culligan Under Sink Water Filter

    D-25 Culligan Under Sink Water Filter

    $11.99 Retail Price:  $16.99
  • HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    $13.99 Retail Price:  $19.99
  • 1236268 Merlin Reverse Osmosis Pre Filter

    1236268 GE Merlin Reverse Osmosis Pre Filter

    $29.99 Retail Price:  $32.34
  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $14.99 Retail Price:  $19.99
  • APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    $61.99 Retail Price:  $94.99
  • CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    $27.99 Retail Price:  $39.00
  • FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    $52.99 Retail Price:  $90.00
  • FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    $64.99 Retail Price:  $110.00
  • FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    $64.99 Retail Price:  $110.00
  • FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    $69.99 Retail Price:  $90.00
  • FRSS-20 Viqua 20 GPM 1-inch Flow Restrictor

    FRSS-20 Viqua 20 GPM 1-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    $69.99 Retail Price:  $90.00
  • FRSS-6 Viqua 6 GPM 1-inch Flow Restrictor

    FRSS-6 Viqua 6 GPM 1-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • FRSS-6-34 Viqua 6 GPM 3/4-inch Flow Restrictor

    FRSS-6-34 Viqua 6 GPM 3/4-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • FRSS-8 Viqua 8 GPM 1-inch Flow Restrictor

    FRSS-8 Viqua 8 GPM 1-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • QS-012 Viqua Quartz Sleeve for S740RL-4C UV Lamp

    QS-012 Viqua Quartz Sleeve for S740RL-4C UV Lamp

    $59.99 Retail Price:  $77.00
  • QS-463 Viqua Quartz Sleeve for S463RL UV Lamp

    QS-463 Viqua Quartz Sleeve for S463RL UV Lamp

    $29.99 Retail Price:  $45.00
  • QS-810 Viqua Quartz Sleeve for S810RL UV Lamp

    QS-810 Viqua Quartz Sleeve for S810RL UV Lamp

    $35.99 Retail Price:  $48.00
  • RN-001 Viqua Retaining Nut

    RN-001 Viqua Retaining Nut

    $17.99 Retail Price:  $20.34
  • S330RL Viqua Water Disinfection System UV Lamp

    S330RL Viqua Water Disinfection System UV Lamp

    $69.99 Retail Price:  $89.00
  • S463RL Viqua Water Disinfection System UV Lamp

    S463RL Viqua Water Disinfection System UV Lamp

    $75.99 Retail Price:  $92.00
  • S810RL Viqua Water Disinfection System UV Lamp

    S810RL Viqua Water Disinfection System UV Lamp

    $95.99 Retail Price:  $122.00
  • 002045 Viqua Replacement O-Ring

    002045 Viqua Replacement O-Ring

    $2.99 Retail Price:  $5.34
  • 602636 Viqua Replacement Power Cord

    602636 Viqua Replacement Power Cord

    $18.99 Retail Price:  $21.34
  • 602665 Viqua UltraViolet Lamp Sleeve Bolt

    602665 Viqua UltraViolet Lamp Sleeve Bolt

    $6.99 Retail Price:  $9.34

Items 97 to 144 of 1832 total

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