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

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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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Items 49 to 96 of 390 total

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  • PS1-20C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX01-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1
  • SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1
  • PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX75-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • RFC-20 Pentek Whole House Filter Replacement Cartridge by Tier1
  • SPC-25-1001 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • P5-30 30 X 2.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)
  • P5-40 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)
  • SWC-25-1020 Hydronix String Wound Sediment Water Filter

    SWC-25-1020 Hydronix String Wound Sediment Water Filter

    $6.99
    MSRP: $9.99
    Save 30%
  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    $6.99 MSRP: $8.04
    Save 13%
  • Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    $6.99 MSRP: $10.34
    Save 32%
  • Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)
  • P20-20 Tier1 Sediment Water Filter

    P20-20 Tier1 Sediment Water Filter

    $6.99 MSRP: $9.19
    Save 24%
  • S1 Pentek Comparable Whole House Water Filter by Tier1

    S1 Pentek Comparable Whole House Water Filter by Tier1

    $6.99 MSRP: $8.99
    Save 22%
  • Braun KWF2 Comparable Coffee Water Filter Replacement by Tier1
  • My K-Cup Keurig Comparable Replacement Coffee Filter Set by Tier1 (3-Piece Set)
  • Aerobie 103705 Comparable Stainless Steel Press Filter by Home Revolution
  • P25-20 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PD-25-20 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PS20-20C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX20-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • PMB20-20 Watts Comparable Whole House Sediment Water Filter by Tier1
  • WHKF-WHPL Whirlpool Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  • SPC-25-1030 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • 602665 Viqua UltraViolet Lamp Sleeve Bolt

    602665 Viqua UltraViolet Lamp Sleeve Bolt

    $7.19
    MSRP: $13.99
    Save 49%
  • KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter
  • SWC-25-2020 Hydronix Comparable String Wound Sediment Water Filter (20 micron) by Tier1
  • 801-50-HT Harmsco Replacment Sediment Filter Cartridge

    801-50-HT Harmsco Replacment Sediment Filter Cartridge

    $7.95
    MSRP: $13.99
    Save 43%
  • PS1-20C Pentek Sediment Water Filter

    PS1-20C Pentek Sediment Water Filter

    $7.99
    MSRP: $13.55
    Save 41%
  • IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  • Coconut Shell Granular Activated Carbon Inline Water Filter by Tier1
  • RS-23-SED5 Culligan Comparable Pre-Reverse Osmosis Sediment Filter by Tier1
  • WFFMC100X DuPont Faucet Mount Replacement Cartridge - High Protection Filter
  • AP110 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • R200 Samsung Inline Water Filter Replacement by Tier1

    R200 OmniFilter Inline Water Filter Replacement by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • Drinkwell PAC-13067 Pet Fountain Charcoal Filter (3-Pack)

    Drinkwell PAC-13067 Pet Fountain Charcoal Filter (3-Pack)

    $7.99
    MSRP: $11.99
    Save 33%
  • EPM-10 Pentek Comparable Undersink Filter Replacement Cartridge by Tier1
  • Pentek S1 Pleated Whole House Sediment Filter

Items 49 to 96 of 390 total

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