10 inch Backdraft Damper Harvest Hero If your fill happens in

If your fill happens in batches

The design and construction of the tray reflect Grodan's commitment to quality and innovation in the hydroponic industry

A 60 mm bed of virgin charcoal scrubs odor and VOCs before air leaves the room

Kill powdery mildew and botrytis on the surface of your plants

10 inch Backdraft Damper Harvest Hero If your fill happens inAtmosphere's all new galvanized steel back draft dampers fit directly into the duct simplifying installation. They feature a shaft for each of the 2 flaps so to prevent jamming. Also, the flaps close onto a perimeter gasket ensuring the best air seal and quiet operation.