VentAir Systemss is the manufacturer and supplier of Smooth Profile Duct Elbows. VentAir Systemss offers air conditioning duct, pre fabricated duct, air conditioning duct, ventilation duct, exhaust duct and duct accessories. The Smooth Profile Duct Elbows are specially designed so that the air flow within the duct is not disturbed. The male locks of the profile are made on Roll-former using Auto Guide Flanger for proper finish. The curved side of the elbow is made on rolling machine and not by hand. The ducts are used in a wide range of industrial and commercial applications.