DuraVent DuraBlack 6DBK-XS8 Slip Increaser, 6 x 8 in, Steel, Black

DuraVent DuraBlack Slip Increaser, Nominal Size: 6 x 8 in, Steel, Black, Dimensions: 8-3/16 in Dia x 16 in H

Features:

• Use to adapt from 6 in DuraBlack to 8 in DuraTech, DuraPlus, DuraPlus HTC or DuraLiner at the ceiling support box or finishing collar
• Adds 5 to 15 in of length