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.  

Proudly made in the USA! Click here for more made in America products!
  

PR1MA™ Screw Cap Tubes and Caps, Sterile, Assembled

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.

PR1MA™ PCR Strip Tubes with Attached Caps

The PR1MA™ PCR Strip Tubes with Attached Caps are engineered for precision, efficiency, and contamination control in PCR workflows. Designed with evaporation-resistant lids that are easy to open and close, these PCR strip tubes help prevent sample loss while maintaining a tight seal during thermal cycling.

Each strip features ultra-thin walls and uniform wells for enhanced heat transfer and reaction consistency, ensuring optimal performance in PCR, qPCR, and other thermal cycling applications.

Packaged in reclosable bags for added convenience and reduced contamination risk, these tubes are suitable for a variety of environments, including medical, pharmaceutical, food testing, and molecular biology labs.

Every lot is certified free of detectable RNase, DNase, nucleic acids (NA), PCR inhibitors, and tested pyrogen-free—giving you reliable results, batch after batch.

Key Features

• Attached, evaporation-resistant caps for secure sealing
• Easy-open design prevents sample loss and simplifies handling
• Ultra-thin wall construction for superior thermal conductivity
• Uniform wells support consistent reaction performance
• Reclosable bags minimize contamination during storage and use
• Ideal for molecular biology, medical, food industry, and pharmaceutical applications
• Certified RNase-, DNase-, NA-, PCR inhibitor-free and pyrogen-tested 

Ensure accurate and reproducible PCR results with trusted PR1MA™ performance.
 

Proudly made in the USA! Click here for more made in America products!
  

PR1MA™ Corbett Type PCR Tubes

• PR1MA™ PCR Strip Tubes and Caps are evaporation-resistant and provide easy-to-open-and-close lids that prevent sample loss.
• Tube Size is 0.1 mL
• 4 Tube Strip and 4 Cap Strip
• The uniform wells and ultra-thin walls provide optimal heat transfer and reaction efficiency.
• Reclosable bags minimize contamination risk and are convenient for opening and closing.
• For use in medical, pharmaceutical, food industry, and molecular biology.
• Certified free of detectable RNase, DNase, NA, PCR inhibitors, and tested pyrogen-free.

PR1MA™ Individual PCR Tubes

PR1MA™ Individual PCR Tubes are engineered for high-performance thermal cycling and are ideal for a wide range of PCR and qPCR applications. Designed with evaporation-resistant lids, these tubes offer a secure seal to prevent sample loss during high-temperature protocols. The easy-open, snap-tight caps simplify workflow while maintaining sample integrity.

Each tube features ultra-thin walls and uniform construction to ensure optimal heat transfer and efficient, reproducible reactions. Packaged in reclosable bags, these tubes minimize contamination risk while offering convenient storage and access.

Perfect for use in molecular biology, clinical diagnostics, pharmaceutical research, and food safety testing environments.

Tested for quality and purity, these PCR tubes are certified free of detectable RNase, DNase, nucleic acids (NA), and PCR inhibitors, and are pyrogen-tested, ensuring reliable results for sensitive assays.

Key Features

• Individual PCR tubes with secure, evaporation-resistant caps
• Ultra-thin walls for superior thermal conductivity
• Uniform design enhances reaction efficiency and consistency
• Reclosable bags for contamination control and ease of use
• Suitable for medical, pharmaceutical, food industry, and molecular biology labs
• Certified RNase-, DNase-, NA-, PCR inhibitor-free and pyrogen-tested 

Choose PR1MA™ for reliable, high-quality PCR performance in every run.
 

Proudly made in the USA! Click here for more made in America products!

PR1MA™ PCR Strip Tubes and Caps Sold Separately

PR1MA™ PCR Strip Tubes and Caps provide high-quality, reliable performance for all PCR applications. Sold separately for added flexibility, these components are ideal for labs that require customized configurations or individual replacements.

Designed to be evaporation-resistant, the easy-to-open-and-close caps (sold separately) offer a secure seal that helps prevent sample loss during thermal cycling. The strip tubes feature ultra-thin walls and uniform wells, ensuring efficient heat transfer and consistent reaction performance.

Convenient reclosable bags help minimize contamination risks and simplify storage and handling. These PCR supplies are suitable for use in a wide range of laboratory settings, including medical, pharmaceutical, food industry, and molecular biology applications.

Each product is certified free of detectable RNase, DNase, nucleic acids (NA), PCR inhibitors, and is tested pyrogen-free, providing the confidence and purity needed for sensitive PCR work.

Key Features

• PCR tubes and caps sold separately for flexible lab use
• Evaporation-resistant design protects sample integrity
• Ultra-thin walls ensure optimal thermal transfer and reaction efficiency
• Uniform well shape enhances reproducibility
• Reclosable packaging reduces contamination risk
• Suitable for molecular biology, pharmaceutical, food testing, and medical labs
• RNase-, DNase-, NA-, PCR inhibitor-free, and pyrogen-tested

Get the precise control and reliability you need for your PCR workflow with PR1MA™ quality components.

Proudly made in the USA! Click here for more made in America products!

PR1MA™ Cryo Tubes Promo!

For a limited time, buy 2 cases of PR1MA™ Cryogenic Tubes
 and get 1 CryoFreeze® GripRack™ (5160-0G-F) FREE!

For free item, add item# 5160-0G-F to your order.

 

Offer cannot be combined with other discounts or institutional pricing. Customer must pay the listed

price for the 2 cases to receive the free item. Not valid on prior purchases.

Promo valid until 10/31/25 or while supplies last.
All terms and conditions apply. 

PR1MA™ Cryo Tubes

• Ultra-pure polypropylene meets FDA 21 CFR 177.1520 & USP Class VI.
• High-contrast black 100 uL graduations are bold and easy to read.
• Large white writing area on all tubes.
• Optimized for vapor-phase liquid nitrogen storage.
• Note: not suitable for immersion in liquid nitrogen.
• Temperature range: -196°C to 121°C.
• HDPE cap has secure lip-seal feature so no O-ring is necessary.
• Maximize tube storage within racks, boxes, and canes.
• Sterile and certified free of detectable DNase, RNase, DNA, PCR inhibitors, and endotoxins.

Labcon SuperClear® Caps

Plug Style Caps for Culture Tubes.

• Endotoxin Free (non-pyrogenic)
• Polyethylene USP Class VI resin
• Not autoclavable
• Natural white color

Dual position aspirating cap for culture tubes. Cap includes plug position and open aspirating position.

Proudly made in the USA! Click here for more made in America products!
  

Drosophila Vials and Trays

Premium Fly Vials & Organizational Trays for Drosophila Research.

Our Kord-Valmark™ Drosophila Vials and Trays are the trusted choice for fruit fly research in academic, biotech, and industrial laboratories. Made in the USA, these high-quality vials are precision-molded from premium materials, including Polystyrene and Polypropylene, ensuring durability, performance, and consistency.

Available in both narrow and wide-opening formats, these straight-walled vials are ideal for easy filling, plugging, racking, and general Drosophila culturing tasks. Choose from economical tray packs or high-volume bulk packaging to meet the needs of your lab.

Keep your vials neatly organized with our cardboard tray system (PP200WT and PP300NT). Designed specifically for wide-opening fly vials, each tray comes with a partitioned insert to securely hold vials during storage or transport. Ideal for streamlined Drosophila workflows.

• Polystyrene (PS) offers excellent clarity—ideal for visual inspections. An affordable alternative to glass.
• Polypropylene (PP) options are fully autoclavable and virtually unbreakable—perfect for high-temperature or repeated-use applications.
• Tray Pack: 5 trays per case (10 x 10 layout, 500 vials total)
• Bulk Pack: 500 vials loose in bulk packaging 

Key Features

• Made from high-grade, lab-safe materials
• Available in narrow and wide diameters
• Compatible with standard plugs and vial racking systems
• Straight-walled design for consistent performance
• Choose from Polystyrene or Polypropylene construction
• Packaging options: bulk or tray-packed
• Trays available for easy vial storage and organization 

Choose the right combination of Drosophila vials and trays to support your fly research with precision, cleanliness, and convenience.

Proudly made in the USA! Click here for more made in America products!

Benchmark™ Homogenizer Bead Tubes

Prefilled, ready to use bead tubes. Nuclease and protease free.

Empty tubes available.

2.0 mL Tubes, Silica Beads (D1031-01, D1031-05, D1031-10)

2 mL tubes are prefilled with silica (glass) beads for bead homogenization. Beads are acid washed, and heat treated. Suitable for use in most bead homogenizers including the BeadBug 3, BeadBug 6 and BeadBlaster 24. 

2.0 mL Tubes, Zirconium Beads (D1032-01, D1032-05, D1032-10, D1032-15, D1032-30, D1032-SK)

2 mL tubes are prefilled with zirconium (ceramic) beads for bead homogenization. Beads are acid washed and heat treated. Tubes are filled in a process tested by qPCR to be free of stray DNA. Triple-Pure™ - High Impact. Suitable for use in most bead homogenizers including the BeadBug 3, BeadBug 6 and BeadBlaster 24.

5.0 mL Tubes, Zirconium Beads (D1034-30)

5 mL tubes are prefilled with 3 mm zirconium (ceramic) beads for bead homogenization. Beads are acid washed and heat treated. Tubes are filled in a process tested by qPCR to be free of stray DNA. Triple-Pure™ - High Impact. Suitable for use in BeadBlaster 24 with appropriate 5 mL tube holders.

* For use with D2400 BeadBlaster only 

2.0 mL Tubes, Garnet Shards and Zirconium Bead (D1033-30G)

2 mL tubes are prefilled with one large, banded 6 mm zirconium satellite and garnet shards. Beads are alcohol washed and heat treated. Sharp edges of the garnet shards make these beads useful for homogenization for tough samples such as skin and plant material. Suitable for use in most bead homogenizers including the BeadBug 3, BeadBug 6 and BeadBlaster 24.

2.0 mL Tubes, Stainless Steel Beads (D1033-28)

2 mL tubes are prefilled with 2.8 mm diameter stainless steel beads for bead homogenization. Beads are alcohol washed and heat treated. Suitable for use in most bead homogenizers including the BeadBug 3, BeadBug 6 and BeadBlaster 24.

5.0 mL Tubes, Stainless Steel Beads (D1034-28)

5 mL tubes are prefilled with 2.8 mm diameter stainless steel beads for use in bead homogenizers. Beads are alcohol washed and heat treated. Suitable for use in BeadBlaster 24 with appropriate 5 mL tube holders.

* For use with D2400 BeadBlaster only 

Specifications   
 

Bead Size	Application
0.1  mm	Gram positive and gram negative bacteria
0.5 mm	Bacteria, fungi, spores, molds and small yeasts
1.0 mm	Fungi, spores, algae and larger yeasts
1.5 mm	Soft tissue such as liver and small insects
2.8 mm	Tough, hard samples, muscle, plant materials, seeds and dried samples
3.0 mm	Variety of tissues including heart, lung, and brain, plant tissues, insects and dried samples
Garnet Shards	Tough samples such as skin and plant material

 

Proudly made in the USA! Click here for more made in America products!