Natural, environmentally-safe, high-efficiency R-290 refrigerant; low profile cabinet design; wear resistant, textured baked enamel finish exterior; front breathing; automatic, hot gas condensate evaporator; electronic controller w/digital display & hi-low alarm; high density, non-CFC polyurethane foamed-in-place insulation; continuously cooled, 3" diameter beer columns w/lever faucet (standard in center, optional on right), CO2 pressure relief distributor and CO2 tubing w/clamps; single & double faucet tower (single faucets are standard); optional glass door w/ shelves on left; optional faucet lock; easily removable stainless steel drip grate w/convenient front-mounted cleanout drainage hose; easily accessible and serviceable slide-out condensing unit; 69" w x 29 3/16" d x 34 3/4" h.