Pro Level Cryovial Storage Box 2 Pack Polycarbonate Freezing Rack For Laboratory Sample Tubes And Cryogenic Organization Tight Locking Lid Grip Solid Smart Drain Vents Keep Moisture At Bay

Heavy Duty Cryogenic Sample Storage Containers For Lab Use
✔️ Polypropylene case with snap closure and airflow holes for lab racks

This two pack of cryogenic rack boxes keeps your frozen vials tidy and safe during storage cycles. You can slide them onto shelves in freezers or biorepositories where space matters.

✅ Transparent polypropylene material resists cracking at sub zero temperatures
✅ Numbered tracking grid helps you locate frozen samples fast
✅ Tight locking lid stops frost buildup and locks out moisture
✅ Fits standard laboratory centrifuge and freezing tube sizes securely

💡 What makes polypropylene cryoboxes handy for freezing cell cultures?

A solid base kit cuts down storage headaches.

- Vented lid traps less water vapor when you pull racks straight out of cold rooms

- Labeled tray inserts help you track lots and handle batches without confusion

- Hard snap closure stops frost rings and keeps humid air from wrecking delicate samples

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