Beverage Line Chiller, air-cooled, 28-7/8"W x 28-5/8"D x 24-1/8"H, (1) 100 gph circulating pump, digital temperature control with LCD display, (4) gallon capacity insulated stainless steel glycol bath contains heat exchanger, glycol filling port located on front, stainless steel exterior with galvanized steel base, R448A, 3/4 HP compressor, cETLus