Back Draft Damper 8″
A round back draft damper complete with a spring.
Exhaust air from room and keep debris and bacteria from coming in.
Designed to allow airflow in one direction and prevent reverse airflow.
- Spring loaded for positive closure
- Duct Diameter : 8 inches
- Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades

Back Draft Damper 12"
Transplant 8 Kilograms
Big Bud Liquid 10 Litres
Advanced Micro 23 Litres (PH Perfect)
Advanced Bloom 23 Litres (PH Perfect)
Duct Elbow 8 Inches 







