... 2.inner fabric 3.Competitive price and good quality air-conditioning hose: 1.air-conditioning hose,tubes,pipes made of internal rubber,reinforeced with ... textile layer and externalrubber layer. 2.Used in air conditioning of autos. Classified into F-134A and F-12A tubes ... ~80 shore AFunctionair hoseProducing wayextrusionStyle6 8 12 pipesMaterialEPDM,NBR air-conditioning hose