KR> Is this the correct foam?

[Bill Masquelier]

I have been searching for large pieces of foam for the KR2
Is this the best (or at least a usable) source for the correct stuff?
http://www.atsacoustics.com/item--Owens-Corning-703--1002.html?d=GPGEN01&kw=1002-703-2S
 

Thanks
BillM