LL Building Products F6IFD6X300 Insulated Air Duct 6" x 25' Autumn_Cleaning For wires up to 1/4"

For wires up to 1/4" diameter

Economy aluminum and vinyl door bottom for easy adjustment

Durable Powder Coat finish

conventional drying-type powder compound that provides easy mixing

LL Building Products F6IFD6X300 Insulated Air Duct 6" x 25' Autumn_Cleaning For wires up to 1/4"The 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.