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10x8x8 Register Box R6
$26.95The #640R6 Register Box is 4″ Tall without tabs. Standard Size #640R6 Register Boxes are lined with 1-1/2″ ductliner to provide an R-factor of R-6.
The #640R6 Register Box is 4″ Tall without tabs. Standard Size #640R6 Register Boxes are lined with 1-1/2″ ductliner to provide an R-factor of R-6.
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