| Comparison : | Item # HTN-60, CGA-296 Handtight Nut for Industrial Oxygen Mixtures Item # HTN-56, CGA-300 Handtight Nut for Ethyl Chlorides (R160) Formerly Commercial Acetylene
 Item # HTN-56P, CGA-300 Handtight Nut for Ethyl Chlorides (R160) Formerly Commercial Acetylene
 Item # HTN-61, CGA-320 Handtight Nut for Carbon Dioxide
 Item # HTN-61P, CGA-320 Handtight Nut for Carbon Dioxide
 
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