Boeser Sheet Metal 48 x 8 x 8 In. Cross Broke Trunk Duct Breadcrumb Home / Products / Parts / Installation Products / Sheet Metal Ductwork and Fittings / Cross Broke Rectangular Duct Loading... Customer Part Number: TD480808-B Brand: Boeser Sheet Metal Length (In.): 48 Shape: Square Size (In.): 48 x 8 x 8