Variable Speed Power Efficient Air Curtain is generally used at the door tops or entrance to protect internal cool environment and provide the air barrier between the inside and outside environment. The Power Efficient Air Curtain is available in different models with air velocity of 10-12 Mts / Sec, 12-14 Mts / Sec and 16-18 Mts / Sec. The Power Efficient Air Curtain is available in standard sizes ranging from 2 feet to 5 feet. The Variable Speed Power Efficient Air Curtain comes in MS-Powder Coated SS, FRP and Flameproof constructions.