The ventilation ducting can then be attached to the spigot using a ducting clip or duct tape. The flange is secured to the wall and the ducting is connected to the cylinder.
Metal Ducting Wall Flange Spigot 4" to 12"
ABS Wall Flange Connector for Ventilation Pipe Air Ducting Connection Round
1Pcs Wall Flange Connector ABS-For Ventilation Pipe Air Ducting Connection Round
Ventilation Pipe Air Ducting Duct Joint Wall Flange Connector 100mm/125mm/150mm
ABS Wall Flange Connector Fit For Ventilation Pipe Air Ducting Connection Round/
