Wall Mount Duct Shutter 4 - White Steel 4" Wall Mount Duct Shutter spl_hgc Directions for use: Use with

Directions for use: Use with every other watering during the Flowering phase

– Standard Dosage Rate: 3 ML per 5 gallons

Powder coated steel housing

1300 watts

Wall Mount Duct Shutter 4 - White Steel 4" Wall Mount Duct Shutter spl_hgc Directions for use: Use withA 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