Co2 Cylinder for beverage making Diameter: 21.8mm Height: 88. 5mm Thread:3/8 High Temperature Testing:65oC Volumn:21ml Co2 Filling: 16g Wearespecializedinmanufacturingfireextinguishersandspareparts, withinternationalapprovalssuchasCE,EN3,TUV,etc.Uptonow,our productshavebeensuccessfullyexportedtoEurope,southAmerica, andsoutheastAsiawithreliablequalityandcompetitiveprices.Youare welcometocontactusatanytimebysendingyourinquiry.