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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.
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.
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.
Upright Universal Freezer Racks for 2 in. Boxes
Optimize your freezer space!
- Constructed from durable, corrosion-resistant stainless steel, it is suitable for various freezers, boxes, and samples
- Designed for use with standard cardboard, plastic, or metal boxes
- Cell Dividers protect delicate samples from damage
- Each rack features sturdy handles at both ends to accommodate freezers with right- or left-handed doors
A well-organized lab freezer is crucial for maintaining sample longevity and preserving the freezer compressor.
Easily identify, retrieve, and protect your life’s work.
Check out our freezer rack configurator to find the perfect freezer rack for you!
PR1MA™ Screw Cap Tubes & Caps Sold Separately
PR1MA threaded tubes offer a clean, safe environment for your important samples!
- Manufactured from high-clarity, ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI).
- Versatile and durable tube developed for secure use in multiple laboratory environments.
- Ideal for boiling applications.
- Numerous tube and cap options to form an ideal combination for specific applications.
- Rated to 20,000 x G.
- Suitable for a wide range of temperatures - from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
- Available in:
- Ribbed (0.5, 1.5, & 2 mL)
- Non-Graduated Clear (0.5 & 1.5 mL)
- Graduated (1.5 & 2 mL): Marked at every 100 µL for easy sample estimation.
- Offered with either skirted or conical bases.
- Non-Graduated, and Ribbed Sided options ideal for high throughput and automated processing
- Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free. Sterile product is certified pyrogen-free.
Tubes for Kit Manufacturers? - Please contact us. MIDSCI has screw cap tube options available specifically for use in diagnostic kits, providing kit manufacturers the freedom to choose an alternate source of consumables from an experienced and trusted U.S. plastics manufacturer.
Homogenization Tubes? - Please contact us. Homogenization calls for a tube that is built to withstand the rigors of lysing applications. When you need to be sure about the tube you select for lysing and bead beating, choose the brand that has the experience, innovation, and reliability of an industry leader.
PR1MA SCREW CAPS
Screw Caps are ideal for everyday laboratory applications as well as diagnostic kit manufacturing. From standard caps in bright colors to the molded grip caps with molded O-rings, there is a perfect seal for your important solutions.
Grip Cap with Rubber Grip & O-ring (PR-SCMC)
- Rubber ribs allow for effortless opening and closingeven when frozen.
- Easy 3/4 turn to open and close.
- Easy labeling surface.
- Contrasting color stripes enable easy branding or organization.
- Made from ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI) with an inert TPE O-ring molded directly into the cap.
- Temperature range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
- For use in medical, pharmaceutical and food industry, and molecular biology.
- Need colors see our Assorted Pack (-RB). Need individual colors or white contact us for special orders.
Standard Caps (PR-SCC)
- Easy 3-4 turn to open and close.
- Synthetic O-ring.
- Available with and without attached tether. Contact us if you want the tethered option.
- Wide variety of color options.
- Temperature range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
- For use in medical, pharmaceutical and food industry, and molecular biology.
- Need colors see our Assorted Pack (-RB). Need individual colors or amber contact us for special orders.
PR1MA™ Microcentrifuge Tubes
- Two Cap Styles: To suit customer preference:
- Boil-proof (MCT15) caps are ideal for rigorous high-temp applications and tight storage conditions. Max Fill 1.7 mL with caps open and 1.5 with caps closed.
Large, boil-resistant (MCT17) caps are easy to open & close, with a large labeling surface. Max Fill 1.7 mL with caps open and 1.5 with caps closed.
- Crystal-Clear Polymer: Facilitates visualization of samples.
- G-Force: Rated to 20,000 x g.
- Graduations: every 100 µL for easy volume estimation.
- Low Retention: Available with proprietary NoStick® resin to ensure maximum sample recovery.
- Temperature Range: -80° C to +121° C.
- Certified: Free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free. Sterile product is certified pyrogen-free.
PR1MA™ Screw Cap Tubes and Caps, Sterile, Assembled
PR1MA™ THREADED TUBES
PR1MA™ threaded tubes offer a clean, safe environment for your important samples!
- Manufactured from high-clarity, ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI).
- Versatile and durable tube developed for secure use in multiple laboratory environments.
- Ideal for boiling applications.
- Numerous tube and cap options to form an ideal combination for specific applications.
- Rated to 20,000 x G.
- Suitable for a wide range of temperatures from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
- Available in:
- Ribbed (0.5, 1.5, & 2 mL)
- Non-Graduated Clear (0.5 & 1.5 mL)
- Graduated (1.5 & 2 mL): Marked at every 100 L for easy sample estimation.
- Offered with either skirted or conical bases.
- Non-Graduated, and Ribbed Sided options ideal for high throughput and automated processing
- Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free. Sterile product is certified pyrogen-free.
Tubes for Kit Manufacturers? - Please contact us. MIDSCI has screw cap tube options available specifically for use in diagnostic kits, providing kit manufacturers the freedom to choose an alternate source of consumables from an experienced and trusted U.S. plastics manufacturer.
Homogenization Tubes? - Please contact us. Homogenization calls for a tube that is built to withstand the rigors of lysing applications. When you need to be sure about the tube you select for lysing and bead beating, choose the brand that has the experience, innovation, and reliability of an industry leader.
PR1MA™ SCREW CAPS
Screw Caps are ideal for everyday laboratory applications as well as diagnostic kit manufacturing. From standard caps in bright colors to the molded grip caps with molded O-rings, there is a perfect seal for your important solutions.
Grip Cap with Rubber Grip & O-ring (PR-SCMC)
- Rubber ribs allow for effortless opening and closingeven when frozen.
- Easy 3/4 turn to open and close.
- Easy labeling surface.
- Contrasting color stripes enable easy branding or organization.
- Made from ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI) with an inert TPE O-ring molded directly into the cap.
- Temperature range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
- For use in medical, pharmaceutical and food industry, and molecular biology.
Standard Caps (PR-SCC)
- Easy 3/4 turn to open and close.
- Synthetic O-ring.
- Available with and without attached tether. Contact us if you want the tethered option.
- Wide variety of color options.
- Temperature range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
- For use in medical, pharmaceutical and food industry, and molecular biology.
Upright Universal Freezer Racks for 3 in. Boxes
Optimize your freezer space!
- Constructed from durable, corrosion-resistant stainless steel, it is suitable for various freezers, boxes, and samples
- Designed for use with standard cardboard, plastic, or metal boxes
- Cell Dividers protect delicate samples from damage
- Each rack features sturdy handles at both ends to accommodate freezers with right- or left-handed doors
A well-organized lab freezer is crucial for maintaining sample longevity and preserving the freezer compressor.
*Lock device is ordered separately for all 3 in. boxes
Easily identify, retrieve, and protect your life’s work.
Check out our freezer rack configurator to find the perfect freezer rack for you!
12 Days of Holiday Cheer are here—unwrap amazing deals on lab supplies and equipment!
For a limited time, when you purchase 10 cases of PR1MA™ 15 mL and 50 mL Conical Centrifuge Tubes,
you’ll receive one FREE MIDSCI Shark (MS-SHARK-R or MS-SHARK-B)
high-quality centrifuge tubes while making sure your lab is ready for some “shark” action!
Cue the Jaws theme music...
Hurry—this offer’s swimming away fast! Don't wait—order today and let the shark fin-ish off your order in style!
Use the item number plus “-F” for free product.
Use promo code 12DAYSXMAS24
Minimum order of $300 is required. Limit of one MIDSCI Shark per order (Choose Red or Blue).
Free offers require the purchase of designated items at the listed price. Offers are valid until 12/31/2024 or while supplies last.
Not valid on previous purchases. Special price applies only to the item specified. Other capacities or items cannot be substituted.
All terms and conditions apply.
Discover the quality and reliability you've come to expect from MIDSCI, Tornado Tubes now brilliantly rebranded as PR1MA™ Conical Centrifuge Tubes.
Next time you order a Tornado Tube, you can expect the same great product, under a new name!
PR1MA™ 15 mL and 50 mL Conical Centrifuge Tubes
New and Improved!
- Sterile, polypropylene
- DNAse/RNAse and pyrogen-FREE
- White shaded writing area
- Black graduations
- Racked or bagged
- Temp Range: -80°C to +40°C
- The 15 mL tubes can withstand up to 12,000 (RCF)g, and the 50 mL can withstand up to 16,000 (RCF)g.
Upright Universal Freezer Racks for 3.75 in. Boxes
Optimize your freezer space!
- Constructed from durable, corrosion-resistant stainless steel, it is suitable for various freezers, boxes, and samples
- Designed for use with standard cardboard, plastic, or metal boxes
- Each rack features sturdy handles at both ends to accommodate freezers with right- or left-handed doors
A well-organized lab freezer is crucial for maintaining sample longevity and preserving the freezer compressor.
Easily identify, retrieve, and protect your life’s work.
Check out our freezer rack configurator to find the perfect freezer rack for you!
Upright Economy Freezer Racks for 2 in. Standard Boxes
Optimize your freezer space and stay within your budget!
- Cost-effective solution for budget-conscious labs
- In place of traditional shelves, Eco racks feature thin rails for inserting freezer boxes. This makes Eco Racks lighter and more portable than other racks
- Constructed with 10-15% less stainless steel than other freezer racks, Eco Racks are a significantly more affordable option
- Ideal for -20°C freezers, these racks are perfect for storing reagents and less critical substances
Easily identify, retrieve, and protect your life’s work.
Check out our freezer rack configurator to find the perfect freezer rack for you!
Upright Economy Freezer Racks for 3 in. Standard Boxes
Optimize your freezer space and stay within your budget!
- Cost-effective solution for budget-conscious labs
- In place of traditional shelves, Eco racks feature thin rails for inserting freezer boxes. This makes Eco Racks lighter and more portable than other racks
- Constructed with 10-15% less stainless steel than other freezer racks, Eco Racks are a significantly more affordable option
- Ideal for -20°C freezers, these racks are perfect for storing reagents and less critical substances
Easily identify, retrieve, and protect your life’s work.
Check out our freezer rack configurator to find the perfect freezer rack for you!
Modifiable Eco Rack for 2 in. and 3 in. Standard Boxes
Optimize your freezer space and stay within your budget!
- Cost-effective solution for budget-conscious labs
- In place of traditional shelves, Eco racks feature thin rails for inserting freezer boxes. This makes Eco Racks lighter and more portable than other racks
- Constructed with 10-15% less stainless steel than other freezer racks, Eco Racks are a significantly more affordable option
- Ideal for -20°C freezers, these racks are perfect for storing reagents and less critical substances
- Features a removable clip that can be adjusted to hold either 2 in. or 3 in. standard boxes, or a combination of both sizes
Easily identify, retrieve, and protect your life’s work.
Check out our freezer rack configurator to find the perfect freezer rack for you!
Mixed-Use Freezer Racks for 2, 3, and 3.75 in. Boxes
Optimize your freezer space!
- Allow simultaneous storage of two or more container types to optimize space and organization
- Constructed from durable, corrosion-resistant stainless steel, it is suitable for various freezers, boxes, and samples
- Designed for use with standard cardboard, plastic, or metal boxes
- Each rack features sturdy handles at both ends to accommodate freezers with right- or left-handed doors
A well-organized lab freezer is crucial for maintaining sample longevity and preserving the freezer compressor.
Easily identify, retrieve, and protect your life’s work.
Check out our freezer rack configurator to find the perfect freezer rack for you!
Upright Standard Freezer Racks for 15 mL and 50 mL Centrifuge Tube Boxes
Optimize your freezer space!
- Ideal for storing viral transport media in boxes and efficiently organizing samples
- Constructed from durable, corrosion-resistant stainless steel, it is suitable for standard cardboard 15 mL and 50 mL Centrifuge Tube Boxes
- Features a solid base that provides robust support for boxes that are inserted into each slot
- Each rack is equipped with sturdy handles at both ends to accommodate freezers with right- or left-handed doors
Easily identify, retrieve, and protect your life’s work.
Check out our freezer rack configurator to find the perfect freezer rack for you!
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