Boeser Sheet Metal 25 x 10 x 6 In. Canvas Flex Connector Slip and Drive Breadcrumb Home / Products / Parts / Installation Products / Sheet Metal Ductwork and Fittings / Cross Broke Rectangular Duct Loading... Customer Part Number: 3422510 Brand: Boeser Sheet Metal Length (In.): 25 Shape: Rectangular Size (In.): 25 x 10 x 6