HEMOTON 10pcs Conical Flask Silicone Plugs Laboratory Bottle Stoppers Glass Test Tube Sealers for Scientific and Industrial Use

HEMOTON 10pcs Conical Flask Silicone Plugs Laboratory Bottle Stoppers Glass Test Tube Sealers for Scientific and Industrial Use

• Stop plug--suitable for test tubes, flasks and other laboratory equipment that need to be sealed,lab tube stopper
• Silicone sealing plug--fine workmanship premium silicone material, and good durability, can be used for a long time,Laboratory Silicone Sealing Tools
• Lab tube stopper size--the silicone stoppers work well with tubes, flasks, and other conventional flask mouth,test tube cork
• Spill proof stoppers--food-grade silicone stopper, safe and reliable, can be used with confidence,plug stopper
• Tube stopper--the silicone stoppers are small in size and light in weight, convenient to store and use,silicone sealing plug