AFW MHP-25 Silver R4.2, 10" x 25' Insulated Class 1 Flexible Air Duct (AFW)

- Flexible length 25ft for exhaust fan blower / inline fan
- Double-layer aluminum foil,Flame-retardant coating from -22 to 266 Fahrenheit
- Perfect for Heating Ventilation & Air Conditioning (HVAC)
- Quick and easy to set up.