Transparent Anaerobic Culture Jars of 3.5 liters Capacity which is made of polycarbonate. The lid of the jar is made of aluminum pressure die casting fitted with pressure valve, vacuum valve, safety valve & compound pressure cum vacuum gauge, three aluminum clamp and 'O' ring an Air/Gas Chuck. This is recommended only were inside condition of air of jar is removed thru vacuum pump and Co2 is fitted in the jar thru Co2 gas cylinder to generate anaerobic conducting in the jar. Also supplied with plain aluminum pressure die casted lid which can be fitted when readymade gas packs are used to generate the anaerobic conditions inside the jar. Supply as above and complete with.