Wall Mount Duct Shutter 4 - White Steel 4" Wall Mount Duct Shutter Cloning & Seed Starting Comes pre-assembled with everything you

Comes pre-assembled with everything you need to grow

gas chemists

Soil or water can be too acidic or too alkaline

this thermostat controls power to the fans with separate settings for lights on and lights off temperatures

Wall Mount Duct Shutter 4 - White Steel 4" Wall Mount Duct Shutter Cloning & Seed Starting Comes pre-assembled with everything youA 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: 4 inches Front Plate Size: 6. 69