Constructed of heavy-gauge steel with tough, appliance-like finish. Replaceable air/water separator prevents corrosion and bacterial growth - in compliance with FDA regulations. Tank is factory pre-charged to 40 PSI. Includes pump mounting bracket. Pre-charged tanks are rated to compare with equivalent-size conventional (standard) tanks in terms of water draw down between pump cycles. The actual physical size of a pre-charged tank is much less and allows space savings up to 50% when comparing drawdown and size to that of a conventional tank. Economy is achieved with the smaller size of pre-charged tanks compared to similar water delivery and size of conventional tanks. This tank has a rated size of 42 gallons; the actual tank capacity is 19 gallons. U.S.A. Material: Steel, Max. Capacity (gal.): 42, Max. PSI: 50, Dimensions D x H (in.): 16 x 32, Discharge Port (in.): 1, Includes: Pump mounting bracket