Order this Master Flow Duct Reducer No Crimp – 30 Ga. for delivery to your job site. 30-Gauge, galvanized steel construction for durability. Hemmed collar edges for an improved fit and increased strength. Connects 6 in. pipe to 4 in. pipe in duct run. Seal seams with code-approved mastic, sealant or duct tape (not included). Always insulate ductwork for greater system efficiency and comfort (insulation not included).

Order this Master Flow Duct Reducer No Crimp - 30 Ga. for delivery to your job site. 30-Gauge, galvanized steel construction for durability. Hemmed collar edges for an improved fit and increased strength. Connects 6 in. pipe to 4 in. pipe in duct run. Seal seams with code-approved mastic, sealant or duct tape (not included). Always insulate ductwork for greater system efficiency and comfort (insulation not included).