Ống Thông Hơi Ngoài Trời

I made this to vent stinkier filaments directly outside. It fits a 4" dryer vent to stick out a window or whatnot. The magnets it uses are 20x10x3mm. They're glued into the model with some superglue. It fits a standard 120mm fan, just needs to be high airflow. I grabbed an extra one from my tech bin and it works great!