LL Building Products F6IFD6X300 Insulated Air Duct 6" x 25' Autumn_Cleaning Intrinsically safe and has a

Intrinsically safe and has a safety switch that only works when the trigger button is "On"

Lightweight & easy to use

Economy aluminum and vinyl door bottom for easy adjustment

Converts to non-ducted by removing cover plate from front of hood and installing the non-ducted filter (purchase separately)

LL Building Products F6IFD6X300 Insulated Air Duct 6" x 25' Autumn_Cleaning Intrinsically safe and has aThe Master Flow 6 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket is used in standard Heating & Air Conditioning systems and some venting applications. The duct has R6 insulation which contains 33% more insulation than the standard product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. The duct is ETL listed, meeting the UL181 standard.