Hortitech Light Traps (Housing Not Included) heater after which your light transmission

after which your light transmission starts to degrade

Choose Manual for passive ventilation with hand crank film Reelers

Five (5) models are available with a mix of :

greenhouses

Hortitech Light Traps (Housing Not Included) heater after which your light transmissionLight Traps are ideal for light deprivation greenhouses. While shade curtains or blackout poly coverings block incoming light, there is still light that comes through greenhouse ventilation. The light trap's unique wave design blocks the light that would come through a vent while still allowing airflow. Housings are sold separately here. All options are black, if you need a brown light trap for your light deprivation greenhouse please email our sales