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

14 Item(s)

Grid  List 

Set Ascending Direction
  • ADO-RP SteriPEN Portable UV System

    ADO-RP SteriPEN Portable UV System

    $65.05
    MSRP: $81.64
    Save 20%
  • ADOSC-RP SteriPEN Portable UV System
  • EM-MM SteriPEN Portable UV System
  • FAF-ADP SteriPEN FitsAll Water Bottle Filter

    FAF-ADP SteriPEN FitsAll Water Bottle Filter

    $20.09
    MSRP: $28.99
    Save 31%
  • FRDM-RP-EF SteriPEN Portable UV System
  • JY-RP SteriPEN Portable UV System
  • JY-UPF-RP SteriPEN Portable UV System
  • SC-AUTO SteriPEN Portable UV System Car Charging Adapter
  • SIDE-SYS SteriPEN Portable UV System

    SIDE-SYS SteriPEN Portable UV System

    $99.95
    MSRP: $102.34
    Save 2%
  • SP-PF SteriPEN Wide Mouth Water Bottle Pre-Filter

    SP-PF SteriPEN Wide Mouth Water Bottle Pre-Filter

    $14.99
    MSRP: $16.09
    Save 7%
  • SP-RC SteriPEN Water Bottle Replacement Filter Cartridge

    SP-RC SteriPEN Water Bottle Replacement Filter Cartridge

    $6.95
    MSRP: $9.53
    Save 27%
  • SP-SYS SteriPEN Classic UV Water Purifier with Pre-Filter and Nalgene Water Bottle
  • SPPF-RP SteriPEN Portable UV System

    SPPF-RP SteriPEN Portable UV System

    $59.99
    MSRP: $71.29
    Save 16%
  • TRC-MM SteriPEN Portable UV System

14 Item(s)

Grid  List 

Set Ascending Direction
Scroll To Top