Welcome to water filter supply. Your source for simplified home and business drinking water solutions. We have a knowledgeable water treatment specialist that is a California licensed plumber for customer service that can answer most all of your plumbing problems and installation questions. Water filter supply has been setting up homes businesses and restaurants since 1999 We have done online water treatment and we have a very small water treatment line that is very effective. Our company supplies Water filtration equipment much like the very expensive local full-service companies at a fraction of the cost and we can deliver the same great tasting water product to the DIY market place.