Insulated duct, air conditioner duct, flexible duct

Main material: the flame-resistant ,static -free  pvc net fabric,outside is elastic helix steel wire inside there is a lay of aluminum foam,with the strong points of reducing heat wasting reduction,low wind resistance,good nosie elimination,energy saving,environment protection ect.

Main specification: diameter(10cm~200cm, 4"~48"); length(1m~30m,30'~100' );