Hello! Just looking for some opinions for filters for a flowhood. I read in an older post that the Merv12/13 electrostatic furnace filters are adequate enough for a flowhood as long as you replace them every few months. Adequate enough for even agar work? Also, do you think you would be able to put 2 HEPA filters side by side as long (as you made sure there was no air gaps or leakage between them)? They looked like this:
Do you think that the gap might affect the laminar air flow or such a small gap wouldn't matter?
On a side note I was looking at the pan cyan strains from m