4 inch to 6 inch duct adapter

4 inch to 6 inch (99 to 153 actual metric) adapter for attaching 4 inch flexible duct to inline fan. Has grooves for hose clamps. printed in vase mode in PETG. 0.6 nozzle with Line width 1.24 for all lines. Use line width 0.8 if using 0.4 nozzle. No supports.