... temperature resistant 4.can be for hot air Good Flexible Aluminum Foil Duct For Ventilation System 1.Material:aluminum foil2.Features: ... pressure:2500pa.3.Application:used in hgih pressure,low pressure air conditioner and ventilation system,easy installation,graceful appperance, ... to the customer request. 10M/pc6.Sold well to USA,UK,French,Egypt,Italy,Pakistan,Canada,Janpan,Australia... Spec ...