Backdraft Damper Size:5" No Added Flavours: Unlike other

No Added Flavours: Unlike other Botanicare Sweet products

Low power consumption

Black base prevents light penetration to the root zone and reduces the chance of root disease

It also comes in a variety of micron sizes

and promote explosive flowering

Backdraft Damper Size:5" No Added Flavours: Unlike otherBackdraft dampers (also called gravity dampers) allow airflow in one direction and prevent reverse airflow for use in exhaust or intake HVAC systems. Backdraft dampers can either be operated by gravity (where pressure or velocity opens and closes the damper) or motorized to open and close when required. Round backdraft dampers, used in ventilation systems, allow airflow in one direction and prevent airflow in the opposite direction.