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 many styles of water filter housings that accept 20 x 5-inch filters Learn More$20.99
Fits PENTEK S1-20BB, American Plumber W20CLHD20 and 155305 Learn More
As Low As $11.70 Per Filter
Fits American Plumber W2010-PR and W2015-PR and most other 20-inch heavy duty water filter housings Learn More$29.99 Retail Price: $35.64
Fits any standard housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More$127.99
Fits industry standard filter housings compatible with 20 inch x 4.5 inch filter cartridges Learn More$56.99 Retail Price: $67.84