... used in aviation,space flight,oil,chemicalindustry,metallurgy,power,papermaking,wood,textile,buidling,medicine,food,tobacco,traffic and etc.Hose SizeTypeWorking ... *225JR251.62.44160211158541439*230JR301.62.44170251158541842*232JR321.62.441752814010041848*2 Hot Selling Fexible Metal Hose