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Fan filter unit (un-ducted to air supply) vs fan filter unit (ducted to air supply)

#1
can i know the benefit of having fan filter unit(with Hepa filter) not connected to any air source such as HVAC
vs fan filter unit powered Hepa connected to air source such as HVAC which is better

please assist
 

somashekar

Staff member
Super Moderator
#2
can i know the benefit of having fan filter unit(with Hepa filter) not connected to any air source such as HVAC
vs fan filter unit powered Hepa connected to air source such as HVAC which is better

please assist
Efficiency is better with ducted. Without understanding your air circuit and application, its not possible to comment more.
 
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