Unico System® Sound Attenuator Tubing, Insulated, 3-1/2 Inch OD Diameter, 12 ft Height, Aluminum Inner, Mylar Outer
- Tough aluminized mylar outer wrap
- Spun-bonded nylon and helical wire core
- R-factor is 3.2
DISONTINUED LIMITED STOCK
Standard/Approvals: CAN/ULC STD S110-M86, ETL, UL-181 Listed