PATIKIL 5mL Plastic Test Tubes, 12 Pack Frozen Container Storage Screw Cap for Lab Laboratory Science, Clear

The test tube is mainly used in laboratories to store samples at low temperatures, to prevent sample volatilization. It can be used to store powders, liquids, and semi-liquids such as aqueous samples and other reagents. Specification Cap Color: Orange Bottle Color: Clear Material: Plastic Capacity: 5mL Outer Diameter of Bottle Mouth: 17.5mm / 0.69 inch Bottle Height: 55mm / 2.2 inch Overall Size: 58 x 16mm / 2.28 x 0.63 inch (H*OD) Packing List: 12 x Test Tubes Advantage 1. Screw-in and cover pad design seals well and prevents liquid spillage. 2. The small tube is transparent and you can see the remaining amount. It is marked with a scale to let you know the volume of the sample. 3. Made of durable plastic, it is easier to store than glass. Reusable, low temperature resistant, can be frozen for a long time. Instruction Unscrew the cap, pour the liquid into the bottle, close the cap and store it properly. NOTE: Please check the size carefully before purchasing.