Greenhouse Power Shutter With Cord, Automatic, 36" x 36" Aluminum Single Panel 10mm providing significantly more strength than

providing significantly more strength than standard frames

fence or stand – using minimal space and delivering maximum efficiency

giving them the perfect conditions for optimal growth

Once power is active

Greenhouse Power Shutter With Cord, Automatic, 36" x 36" Aluminum Single Panel 10mm providing significantly more strength thanThese aluminum intake power shutters are built to improve the effectiveness of air circulation in any professional or hobbyist growing space. The unit is constructed with a heavy duty extruded aluminum frame featuring precision milled and welded corners for maximum structural strength. To protect your plants from external drafts and moisture, the shutter utilizes interlocking louvers that create a tight weather seal when closed. The mechanical design