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!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

Items 1 to 48 of 85 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
  • 155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • P5 Pentek Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  • P5-478 Pentek Sediment Water Filter

    P5-478 Pentek Comparable Sediment Water Filter by Tier1

    $3.99 MSRP: $7.99
    Save 50%
  • RS2SS OmniFilter Comparable Whole House Water Filter by Tier1
  • 155016-43 Pentek Comparable Whole House Water Filter by Tier1
  • P5-20 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • WP-5 Pentek Comparable Replacement Filter Cartridge by Tier1
  • RWC-5 Culligan Comparable Whole House Water Filter by Tier1
  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    $5.99 MSRP: $9.99
    Save 40%
  • 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)
  • KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter
  • AP420 3M Aqua-Pure Comparable Whole House Filter Replacement Cartridge by Tier1
  • SPC-25-1005 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • EP-10 Pentek Comparable Carbon Block Water Filter by Tier1

    EP-10 Pentek Comparable Carbon Block Water Filter by Tier1

    $8.49 MSRP: $11.49
    Save 26%

    Out of stock

  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99
    MSRP: $12.06
    Save 25%
  • IN-WF0190 Comparable Inline Coconut Carbon Water Filter By Tier1

    IN-WF0190 Inline Coconut Carbon Water Filter By Tier1

    $8.99
    MSRP: $12.99
    Save 31%

    Out of stock

  • K2333-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • K2533-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • K5633JJ Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • ICF-10Q38 Hydronix Inline Coconut Carbon Water Filter Replacement by Tier1
  • K2386-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • K2528-KK Omnipure Comparable Inline Coconut Carbon Water Filter Tier1
  • 22140 Hydrologic TallBoy Sediment Filter

    22140 Hydrologic TallBoy Sediment Filter

    $9.99
    MSRP: $13.79
    Save 28%
  • WHKF-GAC AP117 Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-25-2010 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • Pentek BPHE-410-5 Polypropylene High Efficiency Filter Bag
  • EP-5 Pentek Replacement Filter Cartridge

    EP-5 Pentek Replacement Filter Cartridge

    $7.19
    MSRP: $11.99
    Save 40%

    Out of stock

  • Pentek KO5G4S Polypropylene Filter Bag
  • PX05-4-78 Purtrex Replacement Filter Cartridge

    PX05-4-78 Purtrex Replacement Water Filter Cartridge

    $2.99
    MSRP: $5.74
    Save 48%
  • KO5G3S Pentek Polypropylene Bag Filter

    KO5G3S Pentek Polypropylene Filter Bags

    $4.99
    MSRP: $7.00
    Save 29%
  • FPMB5-978 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-978 Watts Flo-Pro Water Filter Cartridge

    $4.99
    MSRP: $5.16
    Save 3%
  • BP-410-5 Pentek Polypropylene Bag Filter

    BP-410-5 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • KE5G2S Pentek Bag Filter

    KE5G2S Pentek Bag Filter

    $5.29
    MSRP: $9.99
    Save 47%
  • HDG-SED-ACS Hydronix Replacement Filter Cartridge
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • BP-420-5 Pentek Polypropylene Bag Filter

    BP-420-5 Pentek Polypropylene Bag Filter

    $5.99
    MSRP: $8.15
    Save 27%

Items 1 to 48 of 85 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
Scroll To Top