External Aluminum Gravity shutters for heavy duty external use..
Select the size above to fit your plate fan or duct diameter.
200mm version: overall size is 267mm x 267mm
250mm version: overall size is 343mm x 343mm
300mm version: overall size is 401mm x 401mm
350mm version: overall size is 470mm x 470mm
400mm version: overall size is 505mm x 505mm
450mm version: overall size is 550mm x 550mm
500mm version: overall size is 600mm x 600mm
600mm version: overall size is 700mm x 700mm
All sizes are 75mm deep.
