Ruck 12" Back Draught Damper for Ducting Reclaimed Water Treatment 870 µmol/s + 2

870 µmol/s + 2

bulk packed loose Individual Overwrap None — packets ship unwrapped Humidity Indicator Card Not included in this configuration Case Packaging Master case with double overwrap Typical Containers Dispensary vials

Advanced Wetting Agent: A standout feature

minimal runoff and efficient nutrient uptake in hydroponic and indoor gardens

Ruck 12" Back Draught Damper for Ducting Reclaimed Water Treatment 870 µmol/s + 2Back 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