Environmentally Conscious and Economically Sound Machine Dismantling Forum > Milwaukee
> Welding and Laser Cutting
> Ll building products 30IN fan shutter
Ll building products 30IN fan shutter
Ll Building Products 30in Fan Shutter
* Made By Ll Building Products Part Number: S30
Injection molded frame with smooth aluminum louvers that automatically open when fan turns on, and close when fan turns off to keep out air, insects, and dust. Balanced shutters for complete automatic service-free operation. Installs centered on joist wit
