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Test Tubes and Racks
From test tubes and racks to the labels and boxes you’ll use them with. MIDSCI has got your needs covered.
We also have freezer racks and autoclavable racks, stackable storage boxes and freezer boxes, general storage containers and cryogenic storage refrigerators and tanks.
And let’s not forget the labels! Wash-off labels, removable labels, and labels that will never come off (if you need that).
There are so many other quality choices and options for all of these products. MIDSCI has a wide assortment of test tubes, including top-notch centrifuge tubes your research depends on. We carry everything from sterile centrifuge tubes that we promise won’t buckle during spins to specialty centrifuge tubes that are completely blacked out to preserve your light sensitive compounds.
Exclusive PR1MA™ Labels Promo!
For a limited time, buy 3 Boxes of BLUE, GREEN, RED, OR YELLOW PR1MA™-CryoDots
(PR-CDR95-W and PR-CDR13-W) and get one box FREE! MIX OR MATCH COLORS!
Colors included in the promo are Blue, Green, Red, and Yellow.
For colors add: -B (blue), -G (green), -R (red) -Y (yellow) to Item # in place of “-W”
For free item, add item # with chosen color plus “-F” to your cart.
Offer cannot be combined with other discounts or institutional pricing.
Free item must be of equal or lesser value than the lowest-priced item.
Customer must pay the listed price for the first 3 boxes to receive the free item.
Promo valid until 12/31/25 or while supplies last.
All terms and conditions apply.
PR1MA™ - CryoDot Rolls for Tubes
Labeling containers like glass tubes can be challenging at temperatures below -20ºC. High-quality cryogenic labels are crucial for laboratories to minimize errors, enhance accuracy, and boost cost efficiency.
PR1MA™ Cryogenic Labels feature a premium adhesive designed to stick to already-frozen surfaces, even in wet or cold conditions. This adhesive remains effective at temperatures 80ºC down to -196ºC. Constructed from thermoplastic film and coated with a glove-friendly, cryogenic adhesive, these labels secure strongly to various surfaces.
PR1MA™ - CryoDots can be printed or written on and will not bleed, smear, or crack, eliminating the need for additional lamination. They are perfect for distinguishing various specimens after prolonged periods of cold storage.
Conveniently available on rolls, our PR1MA™ - CryoDots are ready for use in your lab!
Proudly made in the USA! Click here for more made in America products!
PR1MA™ - CryoTag Sheets for Vials
Labeling containers like vials can be challenging when dealing with exposure to moisture, varying temperatures, and limited surface space. Because of this, high-quality cryogenic labels are crucial for laboratories to minimize errors, enhance accuracy, and boost cost efficiency.
PR1MA™ Cryogenic Labels feature a premium adhesive designed to stick to already-frozen surfaces, even in wet or cold conditions. This adhesive remains effective at temperatures 80ºC down to -196ºC. Constructed from thermoplastic film and coated with a glove-friendly, cryogenic adhesive, these labels secure strongly to various surfaces.
PR1MA™ - CryoTags can be printed or written on and will not bleed, smear, or crack, eliminating the need for additional lamination. They are perfect for distinguishing various specimens after prolonged periods of cold storage.
These labels come on sheets to be printed on by any laser printer!
Proudly made in the USA! Click here for more made in America products!
Exclusive PR1MA™ Labels Promo!
For a limited time, buy 3 Boxes of BLUE, GREEN, RED, OR YELLOW PR1MA™-CryoTags
(PR-CTS2413-W and PR-CTS3313-W) and get one box FREE! MIX OR MATCH COLORS!
Colors included in the promo are Blue, Green, Red, and Yellow.
For colors add: -B (blue), -G (green), -R (red) -Y (yellow) to Item # in place of “-W”
For free item, add item # with chosen color plus “-F” to your cart.
Offer cannot be combined with other discounts or institutional pricing.
Free item must be of equal or lesser value than the lowest-priced item.
Customer must pay the listed price for the first 3 boxes to receive the free item.
Promo valid until 12/31/25 or while supplies last.
All terms and conditions apply.
PR1MA™ - CryoTag Sheets for Tubes
Labeling containers like glass tubes can be challenging at temperatures below -20ºC. High-quality cryogenic labels are crucial for laboratories to minimize errors, enhance accuracy, and boost cost efficiency.
PR1MA™ Cryogenic Labels feature a premium adhesive designed to stick to already-frozen surfaces, even in wet or cold conditions. This adhesive remains effective at temperatures 80ºC down to -196ºC. Constructed from thermoplastic film and coated with a glove-friendly, cryogenic adhesive, these labels secure strongly to various surfaces.
PR1MA™ - CryoTags can be printed or written on and will not bleed, smear, or crack, eliminating the need for additional lamination. They are perfect for distinguishing various specimens after prolonged periods of cold storage.
These labels come on sheets to be printed on by any laser printer!
Proudly made in the USA! Click here for more made in America products!
Exclusive PR1MA™ Labels Promo!
For a limited time, buy 3 Boxes of BLUE, GREEN, RED, OR YELLOW PR1MA™-CryoTags
(PR-CTR3319-W) and get one box FREE! MIX OR MATCH COLORS!
Colors included in the promo are Blue, Green, Red, and Yellow.
For colors add: -B (blue), -G (green), -R (red) -Y (yellow) to Item # in place of “-W”
For free item, add item # with chosen color plus “-F” to your cart.
Offer cannot be combined with other discounts or institutional pricing.
Free item must be of equal or lesser value than the lowest-priced item.
Customer must pay the listed price for the first 3 boxes to receive the free item.
Promo valid until 12/31/25 or while supplies last.
All terms and conditions apply.
PR1MA™ - CryoTag Rolls for General Use
Labeling containers like frozen vials, microtubes, microplates, glass tubes, freezer boxes, plastic bags, and other containers can be challenging at temperatures below -20ºC. High-quality cryogenic labels are crucial for laboratories to minimize errors, enhance accuracy, and boost cost efficiency.
PR1MA™ Cryogenic Labels feature a premium adhesive designed to stick to already-frozen surfaces, even in wet or cold conditions. This adhesive remains effective at temperatures 80ºC down to -196ºC. Constructed from thermoplastic film and coated with a glove-friendly, cryogenic adhesive, these labels secure strongly to various surfaces including stainless steel, aluminum, paint, powder-coated metal, and iron.
PR1MA™ - CryoTags can be printed or written on and will not bleed, smear, or crack, eliminating the need for additional lamination. They are perfect for distinguishing various specimens after prolonged periods of cold storage.
Conveniently available on rolls, our PR1MA™ - CryoTags are ready for use in your lab!
Proudly made in the USA! Click here for more made in America products!
PR1MA™ - CryoTag Sheets for Microscope Slides
Labeling microscope slides can be challenging when dealing with exposure to solvents, humidity, or temperature changes. Because of this, high-quality cryogenic labels are crucial for laboratories to minimize errors, enhance accuracy, and boost cost efficiency.
PR1MA™ Cryogenic Labels feature a premium adhesive designed to stick to already-frozen surfaces, even in wet or cold conditions. This adhesive remains effective at temperatures 80ºC down to -196ºC. Constructed from thermoplastic film and coated with a glove-friendly cryogenic adhesive, these labels secure strongly to various surfaces.
PR1MA™ - CryoTags can be printed or written on and will not bleed, smear, or crack, eliminating the need for additional lamination. They are perfect for distinguishing various specimens after prolonged periods of cold storage.
These labels come on sheets to be printed on by any laser printer!
Proudly made in the USA! Click here for more made in America products!
LinkLabel™ BlueTooth Label Printer and Label Tape
Smart, Customizable Laboratory Labeling.
The LinkLabel™ Bluetooth-Enabled Lab Printer by MTC™ Bio revolutionizes how you label your lab equipment. Paired with the free LabelPro™ App, this compact and powerful labeler offers limitless customization directly from your smartphone or tablet.
Easily modify text, font, size, alignment, and label length. The LinkLabel™ also supports batch printing, serial numbering, and printing of a variety of barcodes and QR codes. Save your frequently used labels in memory for quick reprinting.
Choose from 12 interchangeable label cassettes, available in multiple colors (including transparent) and 3 different heights:
- 0.25 In. (6 mm) – perfect for tissue culture plates
- 0.5 In. (12 mm) – ideal for microtubes
- 1.0 In. (24 mm) – best for large tubes and flasks
For demanding environments, optional Ultra-Low Temperature (ULT) tapes are available—specially designed for use in −80°C freezers or liquid nitrogen storage.
Key Features
- Bluetooth-compatible with iOS and Android devices
- Free LabelPro™ app for advanced label design
- Prints barcodes, QR codes, batch IDs, and serial numbers
- Hundreds of built-in scientific symbols
- Labels available in white, clear, colored, and ULT options
- Compact design: 5.25 x 2.75 x 6.75 In. (L x W x H)
Whether you're labeling microcentrifuge tubes, flasks, or storage containers, the LinkLabel™ offers unmatched flexibility, precision, and convenience in the lab.
Tough-Spots® on a Roll for 1.5 to 2 mL Tubes
Circular cryogenic labels formatted for handwriting. Tough-Spots® on a roll are easy to write PVC cryogenic labels that accept writing from most lab markers. Tough-Spots® come in a variety of colors and sizes to ensure the right label for the right job!
- Color: White or Assorted
- Assorted roll has 1,000 spots each of Blue, Green, Lavender, Red & Yellow
- Spot Size: 3/8 In. diameter (9.5 mm)
- 5,000/roll
Tough-Tag® Station
Easily insert new rolls or remove empty boxes. Specially designed top rail holds rolls in place. Allows easy liner trimming. When loaded, station can be used as a writing surface. Also holds Bake-Tags®, Teeny Tough-Tags®, and Sidewall Tough-Tags®!
Temp. Range | -320.8 to 176ºF | -196°C to 80°C |
Ideal Use | 1.5 to 2.0 mL Tubes/Vials |
Length | 0.375 In. | 9.53 mm |
Width | 0.375 In. | 9.53 mm |
U of M | Roll |
Proudly made in the USA! Click here for more made in America products!
LABeler™ Label Printer and Label Tape
Compact, Durable, and Built for Any Lab Environment.
The LABeler™ Lab Printer combines the simplicity of a lab pen with the power and precision of a full-sized desktop labeler. Lightweight and handheld, the LABeler™ allows fast, efficient labeling of virtually any laboratory vessel with just a few button presses.
Type your text using the easy-to-navigate 50+ button keypad, press print, and cut your label using the built-in cutter—no scissors required. With over 15 combinations of label sizes, colors, and materials, this printer is suitable for a wide variety of lab applications.
Standard label tapes can endure extreme lab conditions—they’re autoclavable, boilable, and freezer-safe down to −50°C. For cryogenic use, choose our Ultra-Low Temperature (ULT) tapes, specially designed for liquid nitrogen and −196°C storage environments.
Key Features
- Lightweight and handheld for easy operation
- Prints barcodes and text on demand
- Built-in cutter for quick label application
- Works with a wide range of tape sizes and materials
- Ultra-Low Temperature tapes available for extreme cold storage
Whether you're labeling microtubes, cryovials, culture plates, or flasks, the LABeler™ is the smart, space-saving solution for all your lab labeling needs.
Tough-Tags® on a Roll
Laboratory labels formatted for handwriting. Tough-Tags® are chemically inert laboratory labels that strongly adhere to microtubes, test tubes, storage boxes and microscope slides. They resist organic solvents and caustic agents. Tough-Tags® are perfect for accurately identifying important samples stored in moderate freezer temperatures.
Color: White, Blue, Clear, Green, Orange, Red or Yellow
Tough-Tag® Station
Easily insert new rolls or remove empty boxes. Specially designed top rail holds rolls in place. Allows easy liner trimming. When loaded, station can be used as a writing surface. Also holds 5-Across Tough-Spots®, Bake-Tags®, Teeny Tough-Tags®, and Sidewall Tough-Tags®!
Specifications
Temp. Range | -40 to 249.8ºF | -40 to 121°C |
Ideal Use | 0.5 to 1.5 mL Tubes |
Length | Varies |
Width | Varies |
U of M | Roll |
Proudly made in the USA! Click here for more made in America products!
Cryo-Babies® on a Roll
Our patented Cryogenic labels (Cryo-Babies® are the small sizes and Cryo-Tags® are the larger), are flexible polyolefin labels that withstand conventional and cryogenic storage conditions (vapor and liquid phase nitrogen storage at -196°C). The labels are chemically inert with a solvent resistant acrylic adhesive that will adhere to all plastics, glass and metal. Cryo-Babies® and Cryo-Tags® will withstand boiling water baths at 100°C and dry heat up to 150°C without cracking, peeling or degrading.
Cryo-Babies® and Cryo-Tags® resist most detergents and oils, as well as many organic solvents, caustic agents and other challenges without peeling. They will resist water soaking for at least 24 hours at room temperature and water vapor (100% relative humidity) at 35°C for at least 24 hours.
Tough-Tag® Station
Easily insert new rolls or remove empty boxes. Specially designed top rail holds rolls in place. Allows easy liner trimming. When loaded, station can be used as a writing surface. Also holds 5-Across Tough-Spots®, Bake-Tags®, Teeny Tough-Tags®, and Sidewall Tough-Tags®!
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Signature Double-Sided Pestles
Sterile, Disposable Tool for Cell Prep and Sample Homogenization.
The PR1MA™ Signature Double-Sided Pestle is a high-performance, disposable laboratory tool designed to streamline sample preparation, cell homogenization, and resuspension tasks. Made from durable polypropylene, this 145 mm pestle features a dual-ended design for enhanced versatility in biological workflows.
The conical end is perfect for grinding soft biological tissues, homogenizing cells, and resuspending pellets in 1.5 mL microcentrifuge tubes.
The convex end (11 mm diameter) with a dimpled surface is optimized for cell manipulation within disposable strainers, improving cell sorting, flow cytometry prep, and overall cell viability.
Ideal for researchers working in cell biology, immunology, and molecular biology, this pestle is gamma-sterilized, RNase/DNase-free, and individually wrapped for contamination-free use.
Key Features
- Dual-purpose pestle with conical and convex ends
- Conical end for grinding, homogenizing, and resuspending in 1.5 mL tubes
- Convex end with textured surface for optimal use with cell strainers
- Improves cell prep for flow cytometry, enhancing yield, viability, and purity
- Gamma-sterilized, RNase-/DNase-free, and individually packaged
- 145 mm length for comfortable, ergonomic handling
- Packaged in packs of 50, ready for sterile use
Applications
- Cell sorting and preparation
- Sample homogenization
- Pellet resuspension in microcentrifuge tubes
- Flow cytometry sample prep
- Nucleic acid–sensitive workflows
PR1MA™ CoolCube™
- Maintains 0°C for up to 4 hours
- Also for use as a PCR workstation
- Two sides, ideal for: 1.5 & 2.0 mL microtubes, 0.2 mL PCR tubes & strips, 96 well PCR plates
The PR1MA™ CoolCube™ is designed to store samples safely on the lab bench without sample degradation due to temperature increase or fluctuation. Simply place the CoolCube™ in a freezer overnight and it’s ready for use, keeping samples cold, but not frozen maintaining temperature at approximately 0° C for up to four hours.
Specifications
Temperature | 0°C for up to 4 hours |
Capacity (side 1) | 36 x 1.5/2.0 mL tubes |
Capacity (side 2) | 96 x 0.2 mL tubes, 12 x 0.2mL strips, 1 x 96 well PCR plate, 10 x 1.5/2.0 mL |
Dimensions (W x D x H) | 5.6 x 5.6 x 2.5 in. | 14.3 x 14.3 x 6.4 cm |
Weight | 2 lbs | 1 kg |
Warranty | 2 years |
Proudly made in the USA! Click here for more made in America products!
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