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150mm ventilation air damper.

Regular price €19,90

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150mm ventilation air damper.

This damper is a good choice when the duct work closure does not have to be fully airtight. The damper closure position can be read on the 0° to 90° dial of the control handle.

The damper closure opening ratio can be fixed with a screw. its stops about 95% of air when fully closed.