Hydro Crunch 12" lightproof aluminum ducting has 3 layers of aluminum & a layer of lightproof Blackout. Black-core lining for light tight seal. Heat resistant. Dimension: 12" diameter x 25'. Comes with free 12" duct clamps (set of 2).
- 3 layers of aluminum and a layer of lightproof blackout
- Black-colored lining for light tight seal
- Heat resistant
- Dimension: 12" diameter x 25 feet
- Comes with free 12" duct clamps (set of 2)