Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)

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.

41 Item(s)

Grid  List 

Set Descending Direction
  • CHLORPLUS-10 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • CW-MF Pentek Whole House Filter Replacement Cartridge (30-Pack)
  • CW-MF Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • DGD-7525-20 Pentek Whole House Replacement Sediment Filter (6-Pack)
  • ECP1-10 Pentek Replacement Filter Cartridge (30-Pack)
  • ECP1-20BB Pentek Replacement Filter Cartridge (6-Pack)
  • ECP1-BB Pentek Replacement Filter Cartridge (12-Pack)
  • ECP20-10 Pentek Replacement Filter Cartridge (30-Pack)
  • ECP20-20 Pentek Replacement Filter Cartridge (20-Pack)
  • ECP20-20 Pentek Replacement Filter Cartridge (6-Pack)
  • ECP20-20BB Pentek Replacement Filter Cartridge (6-Pack)
  • ECP20-BB Pentek Replacement Filter Cartridge (12-Pack)
  • ECP20-BB Pentek Replacement Filter Cartridge (20-Pack)
  • ECP20-BB Pentek Replacement Filter Cartridge (6-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (20-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (6-Pack)
  • ECP5-BB Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • ECP5-BB Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • P5-20 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    $47.99 MSRP: $62.83
    Save 24%
  • 36002017 PURA UV Lamp

    36002017 PURA UV Lamp

    $57.99
    MSRP: $59.79
    Save 3%
  • 10-212 Pentek UV Lamp

    10-212 Pentek UV Lamp

    $47.99
    MSRP: $67.38
    Save 29%
  • OAC-20BB Pentek Oil Reduction Filter

    OAC-20BB Pentek Oil Reduction Water Filter

    $73.99
    MSRP: $85.20
    Save 13%
  • PCF1-20MB Pentek Whole House Filter Replacement Cartridge
  • ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    $75.99
    MSRP: $86.93
    Save 13%
  • ROM-26T Pentek Reverse Osmosis Membrane

    ROM-26T Pentek Reverse Osmosis Membrane

    $73.99
    MSRP: $84.05
    Save 12%
  • ST-1 Pentek Filter Housing - Stainless Steel

    ST-1 Pentek Filter Housing - Stainless Steel

    $167.99
    MSRP: $191.81
    Save 12%
  • ST-2 Pentek Filter Housing - Stainless Steel

    ST-2 Pentek Filter Housing - Stainless Steel

    $226.99
    MSRP: $286.57
    Save 21%
  • ST-3 Pentek Filter Housing - Stainless Steel

    ST-3 Pentek Filter Housing - Stainless Steel

    $283.99
    MSRP: $345.79
    Save 18%
  • ST-BC-4 Pentek Filter Housing - Stainless Steel

    ST-BC-4 Pentek Filter Housing - Stainless Steel

    $759.05
    MSRP: $1,009.11
    Save 25%
  • ST-BC-8 Pentek Filter Housing - Stainless Steel
  • WS-20BB Pentek Whole House Filter Replacement Cartridge

    WS-20BB Pentek Whole House Filter Replacement Cartridge

    $45.99
    MSRP: $52.08
    Save 12%
  • LF-EC25-BN Tier1 Contemporary Ceramic Faucet - Brushed Nickel
  • LF-EC25-SN Tier1 Contemporary Ceramic Faucet - Satin Nickel
  • 47-55711G2 Water Factory Systems Whole House Replacement Filter Cartridge
  • 144839 Pentek Touch Flo Air Gap Drinking Water Faucet - Chrome
  • 153070 Pentek Filter Housing Sump

    153070 Pentek Filter Housing Sump

    $51.99
    MSRP: $57.95
    Save 10%
  • 153098 Pentek Bag Filter Sump with 3/8-inch NPT Drain (bottom)
  • BBF1-20MB Pentek Whole House Filter Replacement Cartridge
  • CBC20-BB Pentek Replacement Filter Cartridge

    CBC20-BB Pentek Replacement Filter Cartridge

    $70.99
    MSRP: $109.99
    Save 35%
  • CBC-BB Pentek Whole House Filter Replacement Cartridge

41 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top