IMPERIAL 7-in x 300-in Polyester Insulated Flexible Duct R 6 Item #580297 | Model #48302 For ROYALTON® brand single stage

For ROYALTON® brand single stage gas furnaces

letting the flange through the lever

For use in evaporative coolers

resulting in lower operating temperature and fewer deposits in the crankcase

IMPERIAL 7-in x 300-in Polyester Insulated Flexible Duct R 6 Item #580297 | Model #48302 For ROYALTON® brand single stageThis Imperial Insulated Flexible Duct is ideal for use with heating, ventilation, and air conditioning systems. Its 2 ply polyester laminated inner core is constructed with supportive, non corrosive coated wire. A blanket of fiberglass insulation surrounds the core which helps to reduce heat loss and condensation, and a silver metalized outer jacket with reinforced scrim surrounds the fiberglass insulation for durability. Because of its flexible