4 inch insulated flexible duct with aluminum hose, 25 ft
Flexible 4 in insulated duct with aluminum foil, glass wool insulation, and high temp resistance. Includes clamps for installation. Customers note it works for bathroom exhaust venting and offers good value, though insulation strength and thickness receive mixed feedback
Highlights
- R-4.2 insulation value
- glass wool insulation with high temp resistance
- aluminum foil outer layer with spiral steel wire
Pros
- includes clamps for installation
- high temperature and chemical resistance
- glass wool insulation provides thermal protection
- rated R-4.2 for insulation value
- compatible with HVAC flex ductwork
Cons
- insulation quality feedback mixed
- reported as very thin and fragile
- some users find insulation thickness inadequate
Best For
Features
- 4 in insulated flexible duct with aluminum foil and spiral steel wire construction
- glass fiber insulation provides temperature resistance and R-4.2 rating
- implements heat, acid, alkali resistance and flame retardancy
- sound absorption reduces noise due to fluffy glass wool insulation
- flexible 4 inch duct can bend without rigid elbows
