A Tony Hess Jul 11, 2018 #1 I have a GTD-40 with no roof vent I want to install one does any one know where I can get one. I have the louvers for the exterior but no inside box. HELP!
I have a GTD-40 with no roof vent I want to install one does any one know where I can get one. I have the louvers for the exterior but no inside box. HELP!
