Back draught shutter. Spring loaded blades ensures single directional airflow. Galvanised mild steel case with butterfly type aluminium blades. Sizes are nominal. Actual appearance/scale of product may vary dependant on size.
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One side of the Velcro is already attached to the Bug Block, and the other has an adhesive peel-off back to stick to your chosen intake fan or ducting vent. Can be fitted over ducting and intake fans;.
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This makes the DUCTO fan suitable for bothshort and longer duct systems. •100mm (4") duct connection. • Inline duct installation. •High airflow mixed-flow impeller design. • Condensation. Airflow Capacity: up to 340 m³/h.
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✔️ Suitable for ducting, fans, and ventilation systems. Application Fans, Ducting, HVAC, Hydroponics. Adjustable Air Vent 5" / 125mm. Size 5" / 125mm. Type Adjustable Round Air Vent.
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Has rigid ducting at either end to allow easy connection to 204 x 60 rigid ducting.
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Acoustic Sono Ducting not only reduces the noise of airflow in the ducting but also reduces the noise of airflow from your fan! Acoustic Ducting is a must for all noise conscious growers.
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Under the Black PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to preserve the shape.
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