Designed with durability and efficiency, our duct connectors ensure duct connection in the ventilation system Do not damage the connection of the ventilation pipe, prevent air leakage, and connect to the ventilation system safely Suitable for rotary dryer, bathroom or kitchen ventilation fan, hydroponic cultivation, extract duct connection Made of ABS plastic, it is compact and Pre-drilled mounting holes for easy and secure mounting, Manufacturer: Lerpwige