... welding machine,for welding and cutting use. to transmit oxygen,acetylene,and propane gas. RUBBER OXYGEN and ACETYLENCE HOSE is used ... , water transmit , high pressure air and steam transmit , acid and alkali fluid transmit , sand and slurry transmit and so on .RUBBER TWIN WELDING / ... Some of the hoses are Shrink wrapped with color label and canton,both ends with fittings.STA111/4"6+61330090050/1006 ...