well that would restrict air flow would it not?

2 90 deg will work too, light does not bend well around corners with out reflection.
Zandor Reviewed by Zandor on . Light Proofing Hey guys I was just wondering what way you keep the light from getting out of the intake and exhaust fan holes in your boxes. Do you think something like this might work? The drawing is just a black corrugated tube with black inserts in it. Rating: 5