100mm backdraught shutter


100mm backdraught shutter.

Circular backdraught shutters with steel blades and airtight strip for mounting inside
the duct. The shutter will open when blades are exposed to overpressure and will
shut again when pressure falls away thanks to a stainless steel mechanical spring.

Click the following link to get a full product description: Backdraught Shutter

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  • Model: D100