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What is the 2x250 , 2x450 in acoustic duct insulation
krishnasagar473
May 29, 2009, 10:30 PM
Dear sir / mam
You may know answer this .
hvac1000
May 30, 2009, 04:03 AM
It is a form of measurement for duct insulation directly related to the insulations resistance to sound and thermal transformation.