Wall Mount Duct Shutter 4 - White Steel 4" Wall Mount Duct Shutter food-&-water-storage Product Measurements: 1 x 1

Product Measurements: 1 x 1 x 8 (inch)

the addition of water absorbant granulate to peat mixes at 25-50% volume increases water holding capacity and aeration

These additional carbohydrates provide the plant with the energy it requires to fuel respiration that drives fruit set

and with their 2000° Kelvin color temperature they consistently provide intense light in the correct spectral range for vigorous flowering growth and can even be used

always keeping the lights working in the best condition

Wall Mount Duct Shutter 4 - White Steel 4" Wall Mount Duct Shutter food-&-water-storage Product Measurements: 1 x 1A 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