The KS series units are designed for many types of commercial uses including: Laundries, motels, hotels, schools, factories, car washes, hospitals, office buildings and nursing homes to name a few. FEATURES: - Heavy duty fiberglass mineral tank, will never rust or corrode and operates at 150 psi. - Can be programmed to recharge during low demand. - High Impact Salt Storage Tank. Heavy duty polyethylene brine producer, with large capacity, reduces frequency of salt refill. - Salt Support Assembly. Made from corrosion resistant materials. Allows use of any type water softener salt, which saves many dollars over the years. Also minimizes salt "mushing" and cleanings of the brine tank. - High capacity ion exchange resin. The resin assures long life and excellent exchange capacity.