Cryo Vials (4ml) Internal thread with silicone washer (not MEA)

 Product Details:

• Sterile
• Made from special polypropylene for storing biological material or cells at temperatures as low as -196 degrees
• An exclusive silicone washer between cap and vial features a positive seal at any temperature
• Thick wall makes vials almost unbreakable
• Large white marking area and graduations in 0.2ml increments.

These products are not MEA tested or CE marked