This design was created so it could be hung inside of a grow tent via handy mounting holes! Sandwich a 120mm Fan with THIS to exhaust your quantum board grow light heat! Or put positive pressure and make a generator!
This takes a 120mm fan and adapts it to a 4" exhaust pipe.
120mm_Shroud.stl | 774.4KB | |
Body1.stl | 936.6KB |