Полужесткие Алюминий flexilble трубки

Semi-Rigid Aluminum flexilble tube application and benefits 1.Can be used for exhaust venting bathroom vents,clothes dryers, range hoods, fireplace etc. 2.Highly resistant to corrosion and micro organisms3.High degree of flexibility, which allows it to be easilyconnected to any desired position, especially wherepre-cast ducts would be difficult and costly to be installedand Can be bent into any configuration,4.Quick and economical means of correcting misalignmentbetween systems components 5.Low friction loss and no air leakage if it's installed inthe right way 6. low cost in freight and storage Thickness of Aluminum: 11mm;8mm ;Available on request Operating temperature range : -70 to +250 Diameter Range : 3-8inch Extension rate: 1:3.75 Corrugations: 9;5;Etc length: 5 M ; Available on request