TOVINANNA 1000ml Round Bottom Laboratory Flask, Borosilicate Glass Narrow Neck Boiling Flask for Science Experiments and Industrial Laboratory Use

TOVINANNA 1000ml Round Bottom Laboratory Flask, Borosilicate Glass Narrow Neck Boiling Flask for Science Experiments and Industrial Laboratory Use

• Round bottom boiling flask:premium glass material, the surface is smooth and without burr,flask
• Glass boiling flask:the product is delicately made with workmanship,round bottom flask
• Chemistry flask:the round flat bottom can accelerate the heating velocity,science beakers
• Lab flask:stable glass material and high temperature resistance,Laboratory Glass Flask
• Flat bottom round flask:ball-shaped with a high neck and a thin mouth the design is simple and elegant,round bottom beaker