8" X 25' BOXED R4.2 RIP STOP FLEXIBLE FOIL SILVER AIR DUCT

Rip Stop Flex Duct - Grip it and rip it.
The Quietflex® Rip-Stop Silver Jacket Flex Duct features a metallic polyester-vapor barrier with a special “rip-stop” scrim reinforcement.

Johns Manville Formaldehyde-Free™ Insulation
Oversized Core
R4.2 - Boxed
C. tp + 10” Static Pressure