Ruck 12" Back Draught Damper for Ducting Reclaimed Water Treatment organic fungicide that provides good

organic fungicide that provides good control of powdery mildew on various crops and ornamentals

870 µmol/s + 2

Advanced Wetting Agent: A standout feature

magnesium and iron supplement

Ruck 12" Back Draught Damper for Ducting Reclaimed Water Treatment organic fungicide that provides goodBack Draught Shutter for 12" Duct Systems The Ruck 12" Back Draught Damper is an essential component for maintaining efficient airflow in ventilation systems. Built with a durable galvanized sheet steel housing, it prevents reverse airflow by automatically sealing off when the fan is off. The spring loaded aluminum flaps respond to active airflow and remain closed when idle, assisted by a secure rubber seal. This back draught shutter is suitable for