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 standard housing that uses 20-inch x 2 1/2-inch replacement filter cartridges Learn More
As Low As $13.00 Per Filter
Fits American Plumber W38-PR and most standard size water filter housings Learn More$21.99 MSRP: $24.34
Fits American Plumber W10-PR and W15-PR and most other heavy duty water filter housings Learn More$35.99 MSRP: $39.99
Fits American Plumber W2010-PR and W2015-PR and most other heavy duty water filter housings Learn More$69.99 MSRP: $78.19
Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More$9.99 MSRP: $11.95