Comparison : Item # 4264-01, Volumetric Flask, Wide Mouth with Glass Topper, Amberized
Item # 4264-02, Volumetric Flask, Wide Mouth with Glass Topper, Amberized
Item # 4264-04, Volumetric Flask, Wide Mouth with Glass Topper, Amberized
Item # 4264-06, Volumetric Flask, Wide Mouth with Glass Topper, Amberized
Item # 4264-12, Volumetric Flask, Wide Mouth with Glass Topper, Amberized