CECON Air Curtain Model CI-036, 1/3 HP RPM  2800 Simple in operation with electronically controlled low power consumption, Cecon Air Curtains are installed on the outer or inner side of door opening leading to clean or air conditioned room, while in operation, it creates a powerful invisible barrier of air across the entrance, thereby isolating the outer and inner atmosphere to prevent the entry of outside hot air, humidity, insects, foul smell, fumes, smokes etc., even while your door is wide open. Cecon Air Curtains are very effective in controlling air-conditioning cost even while there is free movement of men and material.