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Suspension
& Brake
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- Manufactured from corrosion resistant galvanised steel as standard
- Prevents backflow of ventilation air and entry of outside air into the ductwork
- Inline damper that falls shut when no fan is operating; blades open or close based on air pressure in the duct
- Easy to install between ventilation ducts to ensure proper air flow control
- Features two non-return valve blades that act as a check valve
50% Flate
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