... -25°C to +250°CFeaturesMade of aluminun with thickness 0.05mm~0.48mm,optional 9 corrugation or 4 corrugationMax air velocity: 30m ... airtight3.compressible durable and lightweigh4.Features:Aluminun foil with steel wire inside,perfect flexibility,extension rate:1:10 ... density, corrosion resistant wire helix, forming an air tight, easy to use, quality air connector. The product comes conveniently boxed in ...