I needed a 90 degree adapter so I could get my xTool S1 closer to the wall, but still maintain adequate airflow. I saw some other models out there but they seemed to have narrow elbows and restricted airflow. this has a cross section of roughly 2x4" which is more than the stock 3" exhaust adapter it comes with.

Uses the same screws that come with the laser. You don't need any other hardware.

This is the 3" version if you want to use the exhaust hose the laser ships with.

It's also on my etsy store if you'd like to leave a tip! Link in bio.