... The metal hose of stainless steel, corrosion-resistant. Flexible Stainless Steel Hose:The metal hose of stainless steel, corrosion-resistant, able to ... , petroleum , chemical industry, Metallurgy, electric power , papermaking, Medicine, food, timber , Tobacco, traffic, when the trade. styleNominal internal diameter(mm)Minimum ... . Note:PNPSPb are all numerical values at 20. Stainless Steel Hose