Rolastar Pvt. Ltd offers Shoe Piece with Guide Vanes and Reverse Flange. Rolastar Pvt. Ltd. Is certified to SMACNA DW/143 standards for ultra -low air leakage and high structural rigidity. The Company is also nominated by BRY - AIR 2006 Awards for best Product design. The Company also manufactures factory-fabricated ducting. The Shoe Piece with Guide Vanes and Reverse Flange is used to ensure proper air diversion from a main duct to side out let grills. Its design and structure incorporate guide vanes and reverse flange to direct flow of air from main duct into branch ducts.