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.

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  1. 3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    Price $50.99 List Price Price $72.99 Save 30%
    Free Shipping
  2. 3US-AS01 Filtrete Undersink Filter System

    Price $52.99 List Price Price $75.99 Save 30%
    Free Shipping
  3. 3US-PS01 Filtrete Undersink Filter System

    Price $62.99 List Price Price $89.99 Save 30%
    Free Shipping
  4. 3US-AF01 3M Filtrete Undersink Filter Replacement Cartridge

    Price $32.99 List Price Price $47.99 Save 31%
  5. 3WH-STDCW-F02 3M Filtrete Water Filter Cartridges (2-Pack)

    Price $19.99 List Price Price $28.99 Save 31%

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