R19 6-1/4 x 23 x 93" KF INSUL 133.69 SQ. FT. | R-19 Fiberglass Kraft Faced Batts
6-1/4" x 23" x 93"
9-pcs. per bundle
133.69-Sq. Ft. per bundle
"R'' stands for resistance to heat flow. The higher the R-value the greater the insulating power.