Speedi-Products EX-RCGC 04 4-Inch Diameter Galvanized Roof Cap with Collar, Black
Speedi-Products 4-Inch Black Galvanized Flush Roof Cap with Removable Screen, Back draft Damper and 4-Inch Collar. Used for Exhaust Venting Systems. Can be used for Remodeling, Do it yourself and New Residential projects.