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.
Fits any brand of heavy duty whole house water filtration system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
As Low As $19.83 Per Filter
Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More$48.99
Fits into most 10x 4.5 water filtration system housings Learn More$18.99 MSRP: $22.34
Fits OmniFilter RS6, OmniFilter RS6-R-01, OmniFilter RS6-R-02 and most standard 10-inch housings Learn More$12.99 MSRP: $17.99