Water 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.

7 Items

Set Descending Direction
View as Grid List
  1. 3MROM413-20A 3M Under Sink Reverse Osmosis Membrane Replacement Water Filter

    Price $186.99 List Price Price $267.99 Save 30%
    Free Shipping
  2. 3MROP416-20A 3M Undersink Reverse Osmosis Replacement Filter Cartridge

    Price $45.99 List Price Price $65.99 Save 30%
    Free Shipping
  3. 3MROP412-20A 3M Under Sink Reverse Osmosis Replacement Water Filter Cartridge

    Price $48.99 List Price Price $69.99 Save 30%
    Free Shipping
  4. 3MROP316 3M Under Sink Reverse Osmosis Replacement Carbon Block Filter Cartridge

    Price $48.99 List Price Price $69.99 Save 30%
    Free Shipping
  5. 3MRO301 3M Under Sink Reverse Osmosis Water Filter System

    Price $510.99 List Price Price $729.99 Save 30%
    Free Shipping

7 Items

Set Descending Direction
View as Grid List