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.