Comparison : Item # 1101060003, Pressure Reaction Vessel, 3 oz., mm Scale, Non-Footed, With Coupling
Item # 1101060006, Pressure Reaction Vessel, 6 oz., mm Scale, Non-Footed, With Coupling
Item # 1101060012, Pressure Reaction Vessel, 12 oz., mm Scale, Non-Footed, With Coupling