Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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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18 Item(s)

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  • HYDRONIX-SDC-25-3025

    HYDRONIX-SDC-25-3025

    $8.99
    MSRP: $10.91
    Save 18%
  • TIER1-P25-934

    TIER1-P25-934

    $3.99
  • W25P American Plumber Comparable Whole House Sediment Water Filter by Tier1
  • AP-GRMB-20PP-10UB Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1
  • GX20-9-78 Hytrex Comparable Whole House Sediment Water Filter by Tier1
  • P25 Pentek Comparable Whole House Sediment Filter by Tier1
  • PS20-10C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX20-9-78 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • Pentek BPHE-410-25 Polypropylene High Efficiency Filter Bag
  • Pentek PO25G4S Polypropylene Filter Bag

    Pentek PO25G4S Polypropylene Filter Bag

    $6.19
    MSRP: $14.99
    Save 59%
  • PENTEK-KE25G1S

    PENTEK-KE25G1S

    $4.09
    MSRP: $7.00
    Save 42%
  • PENTEK-KO25G2S

    PENTEK-KO25G2S

    $6.05
    MSRP: $9.42
    Save 36%
  • BP-410-25 Pentek Polypropylene Bag Filter

    BP-410-25 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • PENTEK-BP-420-25

    PENTEK-BP-420-25

    $4.99
    MSRP: $7.00
    Save 29%
  • PE25G2S Pentek Polyester Felt Bag Filter
  • Pentek P25-20 Whole House Replacement Sediment Filter Cartridge
  • Pentek P25 Whole House Replacement Sediment Filter Cartridge
  • Pentek PD-25-934 Whole House Water Filter Replacement Cartridge

    PD-25-934 Pentek Whole House Filter Replacement Cartridge

    $6.99 MSRP: $8.15
    Save 14%

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