Welcome to Coster Engineering, your number one source for water purification equipment, specializing in reverse osmosis systems and water vending machines.Coster Engineering has over 30 years of industry leading experience in manufacturing quality water purification equipment, with a focus on dependability, customer service and uniqueness. Coster Engineering will do everything it can to meet your expectations.Water purification systems from Coster Engineering are used throughout the world, including the United States, Canada, Mexico, South America, Africa, New Zealand, Japan and Europe.Coster Engineering offers units for a wide variety of industries and applications including:· Supermarkets· C-Stores· Buying Clubs· Health Food Stores· Kiosks· Car Washes· Bottling Equipment· And other pure water needsFor quality Pure Water Systems, count on Coster Engineering!