... they also overcome the disadvantages of the rubber hoses of easy-aging, un-endurance of high temperature, easy-leaking, and on ... ideal flexible connectors for auto-air conditioner tube systems.Specification:DNDN6mm~DN50mmPN≥3.5MPaMaterial of hoseSUS304Material of braid and fittingsSUS304, ... avoided before or after installation, and abrasion of corrugation with hard thing also should be avoided during ...