Can you tell me how big this HVAC duct is? [pic]

lundi 27 juillet 2015

A portion of this duct has split in half in my attic, and I wanted to repair it with a new R6.0 duct. I just can't tell what size this is based on the tag. Is it 8'' or 10''?

The tag says:

Max. Velocity : 6000 F.P.M
Max Pos. Pressure : 10 IN W.C.
Max Neg. Pressure : 1/2 IN W.C.


Thanks. Here is a link to the picture :

http://ift.tt/1DKDiNX


Can you tell me how big this HVAC duct is? [pic]

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