Light Deprivation Ducting Size:60" x 60" x 3' which begins moving up and

which begins moving up and down inside the body of the injector

The Netafim Angle Barbed Stake is comparable with Drip Arrow Sticks

and bacteria creating an extremely long dwell time to effectively sanitize & purify the air and surfaces throughout the entire environment

The counterweight helps facilitate upwards and downwards motions

Light Deprivation Ducting Size:60" x 60" x 3' which begins moving up andDucting 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.