FILTER OF HVAC SYSTEM
HVAC System
pk1995
(Pragyna Kumar)
July 31, 2020, 4:42pm
#1
can we use . 22 micron filter instead of . 3 micron filter in HVAC?
Sajjad_Ahmad
(Sajjad Ahmad)
August 30, 2020, 4:07pm
#2
HEPA filter is used
1 Like