AC Infinity Wall Mount Duct Shutter, 6-Inch, White Steel biological fertilizer This OMRI-Listed formulation of food-grade

This OMRI-Listed formulation of food-grade cinnamon

Freedom to Customize Lengths: You can connect multiple units for variable lengths to meet your specific requirements

Effective Area: Up to 430 sq ft at 10' ceiling height or 4300 cu ft

Seedling heat mats are also useful in microgreen production

AC Infinity Wall Mount Duct Shutter, 6-Inch, White Steel biological fertilizer This OMRI-Listed formulation of food-gradeDescription Wall mounted Shutter: This shutter is designed for use with grow rooms, dryers, attics, and other HVAC applications. It features built in rubber stoppers that minimize the noise produced by slamming vent blades and ensure a complete seal when not in use. Non return Thin Louvers: These close when the fan is not operational to prevent outside air and debris from entering. They are designed to automatically open when the duct fan starts