The Mars Air N248-1UA-OB Unheated Air Curtain has been tested and certified for effectiveness in food prep environments. It has a 1/2 HP motor and is great for customer entrances up to 7 feet high and 48 inches wide. With sheet-metal housing. This product measures at 14 inches tall by 48 inches wide by 11.25 inches deep. 115v/60/1-ph Door switches and/or control panels sold separately - please call customer service for assistance.