They are ideal for attaching ducting to a wall or box and commonly used on Acoustic Box Fans.
METAL Wall Flange Ducting Connector Fans Hydroponics 4" 5" 6" 8" 10" & 12"
METAL Wall Flange Ducting Connector Fans Hydroponics 4" 5" 6" 8" 10" 12"
Metal Ducting Flange Spigot 4" to 12"
ABS Wall Flange Connector for Ventilation Pipe Air Ducting Connection Round
Multiple Sizes ABS Wall Flange Connector for Ventilation Air Ducting Pipe
Ventilation Pipe Air Ducting Duct Joint Wall Flange Connector 100mm/125mm/150mm
