... No.: HGA6001Brief introduction:Named after aluminum alloy soft hose/pipe/duct/tube,aluminum extension tube,Main specification ... :1- Outer diameter(mm): 50, 60,80,90,100,110,120,125,150 ... too much pressure.Application:Ideal to use for air condition/ventilation system including water heater, fanner, ventilator, ... industrial and residential application. air conditioning flexible hose