4"RD TO OVAL ADAPTER B-VENT AIR DEFUSERS-CEILING The duct has a maximum 3 4 OVERLAP EDGE
Baker’s notes & crumb story
Description
4"RD TO OVAL ADAPTER B VENT AIR DEFUSERS CEILING The duct has a maximum 3 4 OVERLAP EDGE The duct has a maximum operating temperature of 250°F This product is intended for interior use only Round to Oval Adapter