40ml Glass Clear Test Tubes with Screw Caps and Plastic Stoppers, Leak-Proof Flat Test Tubes, 12PCS

40ml Glass Clear Test Tubes with Screw Caps and Plastic Stoppers, Liquid Sample Vials, Leak-Proof Flat Test Tubes, 12PCS

40ml Glass Clear Test Tubes with Screw Caps and Plastic Stoppers, Leak-Proof Flat Test Tubes, 12PCS

Key Features

• ✅ ?Leakproof? Each Test Tube is equipped with plastic stoppers and seal gasket in screw aluminium cap, seal tight to prevent any leakage.You can put it anywhere you want without worrying about leaking, easy to store and carry.
• ✅ ?Material? The Flat Test Tube is made of borosilicate glass which can withstand temperatures from minus 200 to 200 degrees. They can be refrigerated, heated and boiled. Durable and can be used repeatedly.
• ✅ ?Dimension? Capacity: 40ml; Diameter: 0.98in(25mm); Height: 4.33in(110mm); Internal diameter: 0.61in(15.5mm).
• ✅ ?Wide Applications? The Flat Test Tube is great for storing liquids, powder, seeds, specimen, and small objects etc. Air doesn't get into the vial, don't worry about deterioration.
• ✅ ?Package? 12 40ml glass test tubes, 12 screw aluminium caps, 12 plastic stoppers, 64 label stickers, protected with air bubble film and thick carton, give it to you safely.

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