by
Anoop Sharma , HVAC Design Engineer , SRP Enviro Systems Pvt. Ltd
HEPA fiter is used at the supply air terminal in the OT room and part from this we should also consider the flow laminarty. Further Room ACPH will depend upon the kind of OT room.
High efficiency Hepa filter which is also called absolute filter and usually this type of filter is fixed as last section inside the air handling unit or inside the duct before air enter the room however there are different filter unit which is fixed inside the operation room