how many HEPA filters will be placed in a clean room? and where it should be placed?
what is the area covered by one hepa filter?
It depends upon the area of room
How can be measured GLR glass thickness
its all depend on room size volume
i.e. Required 1500 CFM
1 HEPA = 500 CFM
You required 3 HEPA to each room for ACPH and CFM