... " ,1" Length: as roll for 20m&30m Certificate:CE stainless steel hose Features: 1. Flexibility is good , corrosion-resistant, have long ... gas , liquefied gas , natural gas , oil , water etc. 3. Corrugation hose material select SUS304 , SUS316 or SUS316L, material of both ... customer's request. It is widely used in interior piping system, sanitary ware,kitchen equipment , central air-conditioner , floor ...