Product Type Assembly Components Compatible with Product Type Dayton Infrared Tube Heaters Component Type 180 Degrees inU in Bend Fitting Overall Height 20 in Overall Width 20 in Overall Depth 4 in Overall Diameter 4 in Mounting Type Flange-Mount Material Black Coated Aluminzed Steel Includes 4 in Diameter Fitting with Tube Clamp Mounting Materials Standards CSA Certified