Photo 1 of 12" to 4" Duct Reducer - Round Reducer - Duct Fitting - Pipe Increaser Reducer - Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (12 to 4 Inch) Metal 12 to 4 Inch / 315 to 100 mm

Double tap image to zoom

Photo 1 of 12" to 4" Duct Reducer - Round Reducer - Duct Fitting - Pipe Increaser Reducer - Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (12 to 4 Inch) Metal 12 to 4 Inch / 315 to 100 mmPhoto 2 of 12" to 4" Duct Reducer - Round Reducer - Duct Fitting - Pipe Increaser Reducer - Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (12 to 4 Inch) Metal 12 to 4 Inch / 315 to 100 mm