stainless steel hose material :AISI 304,316,321 Size : 3/8" ,1/2" , ... " Length: as roll for 20m&30m Certificate:CE stainless steel hose Features: 1. Flexibility is good , corrosion-resistant, have long performance ... gas , liquefied gas , natural gas , oil , water etc. 3. Corrugation hose material select SUS304 , SUS316 or SUS316L, material of both ends ... .0±0.5m = 5.00.4h=60.03 stainless steel hose