Perlick 4410W Draft Beer System Power Pak, water-cooled, 24-1/4"W x 17-1/4"D x 25-1/2"H, (1) 100 gph circulating pump, 1.75 gallon capacity glycol bath, constant pressure expansion valve, adjustable electronic temperature control with digital readout, stainless steel cabinet, R134a, 1/2 HP, 120v/60/1-ph, 17.1 amps, cULus, NSF