51600.0016 Nitron2® Cold Draft Coffee Dispenser, countertop, (2) flavors (1 nitro & 1 still), 4:1 - 12:1 product ratio, accepts (2) 1 gallon ball-valve concentrate BIBs or BUNN refillable containers, gas infuser produces 3-minutes of cascading micro bubbles, automatic water bath fill, refrigerated product cabinet, changeable chrome-plated brass tap handles, black finish, R134a, 720 watts, 120v/60/1-ph, 6 amps, NSF, ETLus (tank regulator required)