Fantronix 200mm Circular Duct Connector with Backdraught Shutter – 8” Non-Return Damper for Ventilation Ducting & Extractor Fans

• 200mm Circular Duct Connector With Damper - Plastic 200mm (8”) round ducting connector with integrated gravity flap backdraught shutter. Designed for use in ventilation ducting, extractor fan systems and HVAC applications.
• Prevents Backdraughts - Helps prevent cold air, odours, debris and insects entering through the ducting when the extractor fan is not in use. Supports efficient airflow control in ventilation systems.
• Simple Push-Fit Compatibility - Fits inside 200mm rigid round duct pipe or approximately 203mm flexible ducting hose. Can also be used to join multiple duct lengths to create a longer ventilation run.
• Durable Plastic Construction - Made from high-quality PVC plastic. Resistant to cracking, fading and heat exposure for long-term use in ventilation ducting installations.
• Multiple Applications - Suitable for bathroom and kitchen extractor fans, cooker hood ducting, tumble dryer vents, inline extract fans, hydroponics and HVAC ventilation systems.

200mm / 8 inch Fantronix Plastic Ducting Connector with backdraught shutter / non return damper flap ✔ Male Spigot will fit inside 200mm Round Pipe 203mm Flexible Hose and can be used to join multiple lengths of pipe together to form a long duct run. ✔ Stops unpleasant odours, noises, or draughts flowing back through your duct. ✔ With a gravity flap - no need for springs that break! Use when you need to stop smells flowing backwards within ducting, or when you have 2 or more extractor fans connected to same duct run. ✔ Round rigid ducting provides superior airflow performance vs. comparative size rectangular or flexible duct. Pressure Drop in Pascals: 15 l/s = 25.0 Pa - 30 l/s = 44.90 Pa - 60 l/s = 101.60 Pa. ✔ Easy to install and durable, just push-fit duct and fittings together. ✔ Built to last out of high-quality white Polystyrene/Polypropylene plastic Material. ✔ Max / Min Temperature: +60c / -15c. ✔ Suitable to use in compliance with Part F Building Regulations.