Inline Backdraught Shutter Connector 100mm Round with N/R Damper

- Male connections to solid plastic ducting.
- Gravity operated back draught shutter.
- Manufactured from UV protected white PVC plastic.
- Stop smells and prevent cold air coming through your extract fan or ducting.
- Suitable for ducting tumble dryer, bathroom or kitchen extractor fan, In-line extract fans, and other ventilation applications.

The RD4BS is an inline gravity operated shutter used to dramatically reduce air travelling back into rooms causing draughts and cold air. It is manufactured from UV protected white PVC plastic. Can be used from vertical to 90 degrees. A simple off centered disc is mounted inside a housing and pivots on two small lugs. This allow are to pass easily in one direction with only a small amount of pressure. When an extractor fan stops, the disc prevents air from travelling back down the ducting. The RVK shutter is used mostly on small systems in houses flats and apartment. Simply fit in-line to any ducted bathroom, toilet, shower room, kitchen or utility room 100mm ventilation system.

Features:

Connector suitable for 100mm ventilation pipes.
Easy to install and durable, just push-fit duct and fittings together.
Stops unpleasant odours, noises, or draughts flowing back through your duct.
Use when you need to stop smells flowing backwards within the ductwork.
The external diameter is approx 98mm.
Gravity operated back draught shutter.
Male connections to solid plastic ducting.
Manufactured from UV protected white PVC plastic.
Max / Min Temperature: +60c / -15c.
Easy construction.
Plastic in white.