Classic Accessories Universal Fit Duct Insulator
When those colder months arrive, you want to make sure your home is nice and toasty. Keep drafts from coming through the grill of your evaporative cooler with this duct insulator. The thick insulation not only prevents cold air from getting inside, but also helps to reduce outside noise as well. Sized just right, this insulator is designed for a tight, snug fit. Please remember to remove the duct insulator before you use your cooler.
- Universal fit duct insulator prevents cool air and drafts from entering your home and reduces noise
- Universal fit duct insulator measures 20"L x 20"W
- Friction fit means this insulator is designed to fully seal off outside air
- The durable, thick interior insulation is made to last
- Installation is easy and simple instructions are included
- Not for use when the cooler is in operation