PATIKIL 20mL Plastic Test Tubes 20pcs Frozen Test Tube Vial Container Storage Screw Cap for Lab Laboratory Science Red Clear

Advantage: Screw-in and cover pad design seals well and prevents liquid spillage; Test lab tubes are transparent and you can see the remaining amount; Storage tubes, made of durable plastic, are easier to store than glass.

Plastic tubes with caps is reusable, low-temperature resistant, and can be frozen for a long time.

Instruction: Unscrew the cap, pour the liquid into the test bottle, close the cap, and store small test tubes properly.

Application: The plastic test tube is mainly used in laboratories to store samples at low temperatures, to prevent sample volatilization; Plastic test tubes with caps can be used to store powders, liquids, and semi-liquids such as aqueous samples and other reagents.

Note: Please check the size carefully of these storage tubes with caps before purchasing.