ducting
ramfan bg12 duct storage bag8 in 12 in dia . x 25 ft
ventilation duct accessory for use with portable ventilation ducts sizes 8 in . to 12 in . to 25 ft. long color black includes carrying handle br b features b ul li color black li li for use with portable ventilation ducts sizes 8 to 12 to 25 ft. long li li includes carrying handle li li item ventilation duct accessory li ul