8" Backdraft Damper millet Blue Oyster (Pleurotus ostreatus) is

Blue Oyster (Pleurotus ostreatus) is a fast substrate colonizer with a strong bluish-gray hue

- 3 Mil thickness protects against air and moisture

The driver is mounted below the fixture to maximize vertical grow space and has the ability to be remotely mounted

With a trailing growth habit

its powerful structure provides a maximum amount of friction

8" Backdraft Damper millet Blue Oyster (Pleurotus ostreatus) is8" Backdraft Damper Made of galvanized steel, this 8" damper prevent air leakage into your fan setup. They are easy to install, fit directly onto the ducting, and prevent a backdraft of air when the fans are switched off.