NEW Blauberg Extractor Fan Back Draft Shutter 125mm / 5"
Duct Non Return Valve Ducting Pipe Connector with Flap
Round Circular Inline Ventilation Duct Back Draught Shutter
Backdraft Adaptor
NEW unopened. Please see pictures.
- RVK is an inline gravity operated shutter used to dramatically reduce air travelling back into rooms causing draughts and cold air
- Can be used from vertical to 90 degrees
- A simple off centered disc is mounted inside a housing and pivots on two small lugs
- Country of Origin : Germany
Shipping worldwide (tracked)
UK Delivery: £3
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