This coupling is designed to couple two sections of counterclockwise threaded flexible duct with a nominal outer diameter of approximately 5.9 inches.

It was designed for use with an LG portable air conditioner. Can be used with any similar size flexible duct.

Coupling is printed with PETG.
Extruder Temperature 235 degrees.
Bed Temperature 80 degrees.
Supports from build platform and intermediate components.

Printed on a glass bed using hair spray.