Wall Mount Duct Shutter 6 - White Steel 6" Wall Mount Duct Shutter spl_magfan There is a proportional relationship

There is a proportional relationship between the number of photons absorbed in 400 to 700nm band and the rate of photosynthesis in plants

• Super-sharp tapered blade tips for ultimate cutting precision

• Dibber/auger supplied

high-performance fans

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Wall Mount Duct Shutter 6 - White Steel 6" Wall Mount Duct Shutter spl_magfan There is a proportional relationshipA wall mounted shutter designed for use with grow rooms, dryers, attics, and other HVAC applications. Features built in rubber stoppers that dampen slamming vent blades and ensure complete blockage. Non return thin louvers that close when fan is not in use to prevent outside air and debris from entering. Durable, lightweight steel body that is rust resistant can withstand most weather conditions. Duct Opening Diameter: 6 inches Front Plate Size: 9