4-inch HEPA Air Filter Attachment & Ventilation Duct Adapter for Universal 3D Printer Enclosure by 3D Sourcerer

Attach a HEPA air filter or a standard 4-inch ventilation duct to your enclosure (compatible with the 120mm Fan Mount) ------------------- The file is designed to be used with our 120mm Fan Mount and will replace a Top Corner piece in the desired location. The preferred printing orientation is with the circular duct on the build plate (see images). Compatible HEPA Air Filter ($12.99): https://www.amazon.com/OSIMO-A2-Replacement-High-Efficiency-Compatible/dp/B098NBBJ9T/ Alternative H