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PR1MA™ Card Board Freezer Boxes and Inserts
MTC™ Bio Cardboard Freezer Boxes for 5 mL MacroTubes®
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Durable, Eco-Friendly Storage for 5 mL Tubes.
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MTC™ Bio’s 5 mL MacroTube® Cardboard Freezer Boxes provide a durable, eco-conscious solution for cold storage of 5 mL tubes. Made from recyclable cardboard with a liquid-resistant outer coating, these boxes are designed to perform in demanding lab environments. Each box ships fully assembled for immediate use and features liquid nitrogen drainage slots to prevent moisture buildup during ultra-low temperature storage.
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Choose from two configurations
- 5 x 5 grid for 25 x 5 mL Snap-Cap tubes
- 6 x 6 grid for 36 x 5 mL Screw-Cap tubes
Both versions include an attached hinged lid and alpha-numeric coding for easy sample identification. A durable polycarbonate version is also available, ideal for extended use across extreme temperatures ranging from -196°C to +121°C.
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Key Features
- Made from recyclable cardboard with liquid-resistant coating
- Shipped fully assembled for convenience
- Available in 5 x 5 (25 Snap-Cap) or 6 x 6 (36 Screw-Cap) configurations
- Numbered grid and alpha-numeric coding on all sides
- Includes hinged lid for secure storage
- Liquid nitrogen drainage slots for cryogenic applications
- Optional polycarbonate version (-196°C to +121°C temp. range)

| SKU Number | Capacity (Vol) | Color | Type of Rack | Qty | |
| SB2CC | 2 in. w/ No Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB2CC-16 | 2 in. w/ 16 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB2CC-25 | 2 in. w/ 25 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB2CC-36 | 2 in. w/ 36 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB2CC-49 | 2 in. w/ 49 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB2CC-64 | 2 in. w/ 64 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB2CC-81 | 2 in. w/ 81 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB2CC-100 | 2 in. w/ 100 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB2CC-144 | 2 in. w/ 144 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C | 3 in. w/ No Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C-16 | 3 in. w/ 25 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C-25 | 3 in. w/ 25 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C-36 | 3 in. w/ 36 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C-49 | 3 in. w/ 49 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C-64 | 3 in. w/ 64 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C-81 | 3 in. w/ 81 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C-100 | 3 in. w/ 100 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB3C-144 | 3 in. w/ 144 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB4C | 4 in. w/ No Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB4C-16 | 4 in. w/ 16 Dividers | White | Cardboard Freezer Box | 1/pk |
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| SB4C-36 | 4 in. w/ 36 Dividers | White | Cardboard Freezer Box | 1/pk |
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| CD-25 | 25 divider only | Gray | Cardboard Freezer Box Dividers | 12/pk |
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| CD-36 | 36 divider only | Gray | Cardboard Freezer Box Dividers | 12/pk |
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| CD-49 | 49 divider only | Gray | Cardboard Freezer Box Dividers | 12/pk |
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| CD-64 | 64 divider only | Gray | Cardboard Freezer Box Dividers | 12/pk |
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| CD-81 | 81 divider only | White | Cardboard Freezer Box Dividers | 12/pk |
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| CD-100 | 100 divider only | Gray | Cardboard Freezer Box Dividers | 12/pk |
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| CD-144 | 144 divider only | Gray | Cardboard Freezer Box Dividers | 12/pk |
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