Vevor End caps, stop ends & plugs

VEVOR Return Air Filter Grille, Fits W20 x H20 Inch Duct Opening, Filter Not Included, Return Air Vent Cover for Wall

VEVOR Return Air Filter Grille, Fits W20 x H25 Inch Duct Opening, Filter Not Included, Return Air Vent Cover for Wall

VEVOR Return Air Filter Grille, Fits W20 x H30 Inch Duct Opening, Filter Not Included, Return Air Vent Cover for Wall

VEVOR Return Air Filter Grille, Fits W30 x H20 Inch Duct Opening, Filter Not Included, Return Air Vent Cover for Wall