Light Deprivation Ducting Size:60" x 60" x 3' Paddle Angle - 15° From

Paddle Angle - 15° From Handle

The counterweight helps facilitate upwards and downwards motions

and precise temperature readings with dual thermal probes and thermal-threshold auto dim-shutdown for additional protection

Third party testing data available from Precision Laboratories

Light Deprivation Ducting Size:60" x 60" x 3' Paddle Angle - 15° FromDucting is needed for ventilation on light deprivation greenhouses. This ducting is manufactured by K&R Sheet Metal. It consists of a light trap housing that is sized to duct your ventilation between your light trap and shutter. Without ducting, the shutter louvers cannot open and close properly.