Ruck 8" Back Draught Damper for Ducting Mercury Filter labeled for use in organic

labeled for use in organic production

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A CRI of 90 renders the canopy in near-natural color

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The trellis netting has 3

Ruck 8" Back Draught Damper for Ducting Mercury Filter labeled for use in organicBack Draught Shutter for 8" Duct Systems The Ruck 8" 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