Pressure:High Place of Origin:Zhejiang, China Model Number:Ultra high purity helium Material:Steel Brand Name:best gas Use:Industrial leak detection Product name:Ultra high purity gas Model:Ultra high purity helium Key words:helium gas Color:colorless Delivery way:15 days port:shanghai MOQ:100pieces CAS:275-187-7 HS:2804290000Valve model:CGA-580