Round Bottom Snap Cap Tubes

No more fumbling with caps for your tubes.

MTC Bio’s new round bottom snap cap culture/centrifuge tubes adopt the conveniences of popular 1.5 mL microcentrifuge tubes in higher capacities of 5 mL, 7 mL, and 10 mL. Prevent a common source of cross-contamination in the lab by completely eliminating the threat of mismatched caps.

These durable, polypropylene tubes are supplied sterile and are autoclavable. All tubes feature molded graduations and the 5 and 7 mL tubes have frosted marking areas. Tubes are packed in easy-to-open sterile bags of 100.

• Microtube convenience in larger capacities
• Attached caps seal at the rim with a “click”
• Sterile, easy-open bags of 100 tubes
• Molded graduations and frosted marking area

New Look, Same Reliable Product - Now from PR1MA™!

PR1MA™ 5 and 10 mL Transport Tubes

Leak-Proof, 95kPa Compliant, and Sterile.

PR1MA™ Transport Tubes are high-quality, leak-proof tubes designed for the secure transport, storage, and freezing of biological samples. Widely used in clinical, hospital, pharmaceutical, environmental, food testing, and research laboratories, these tubes meet the rigorous demands of modern laboratory workflows and 95kPa transportation compliance—making them suitable for air transport of infectious or high-value specimens.

These 5 mL (16 x 60 mm) and 10 mL (16 x 80 mm) tubes are constructed from high-grade polypropylene and feature vivid white printed graduations and a dedicated marking area for easy sample identification and tracking. All tubes are self-standing for stable benchtop use.

Two reliable sealing options are available:

• Standard Screw-Cap Tubes – Features a leak-proof 1.25-turn screw cap that comes pre-attached for convenience
• O-Ring Screw-Cap Tubes – Engineered with an integrated silicone O-ring that exceeds 95kPa standards, ensuring maximum containment in high-pressure and extreme temperature environments

Both types are available in:

• Sterile (with pre-attached caps)
• Non-sterile (with separately packaged caps)
• RNase, DNase, and pyrogen-free
• 100/bg, 10 bgs/cs for high-throughput laboratory use

Key Features

• Leak-proof screw caps (standard or O-ring options)
• Exceeds 95kPa compliance standards for safe air transport
• Durable, medical-grade polypropylene
• Clear printed graduations and writing area
• Available in 5 mL and 10 mL sizes
• Sterile (pre-attached caps) and non-sterile (caps separately packaged)
• Self-standing design for benchtop stability
• Ideal for storage, freezing, and transport of liquid samples

MTC™ Bio 50 mL Centrifuge Tubes

Durable, Leakproof, and Freezer-Safe for High-Speed Centrifugation.

These 50 mL centrifuge tubes are built for strength, clarity, and reliability in demanding lab environments. Manufactured from premium polypropylene, these tubes deliver excellent chemical resistance, high clarity for sample visibility, and outstanding durability during high-speed centrifugation.

Designed to withstand up to 15,000 x g RCF, these 50 mL tubes are ideal for large-volume sample prep, pelleting, and storage. The flat-top, screw-on caps ensure a secure, leakproof seal up to 95 kPa (14 psi) and provide a convenient surface for labeling.

Choose from skirted self-standing tubes (for benchtop use without a rack) or conical-bottom options for compatibility with standard tube holders and centrifuge rotors. All tubes are certified sterile and free of RNase, DNase, pyrogens, and cytotoxins. Available in bagged, racked, or Eco-Racked formats to suit any lab workflow.

Key Features

• 50 mL capacity – ideal for high-volume lab work
• Made from high-strength polypropylene
• Withstands up to 15,000 x g centrifugal force*
• Leakproof screw-cap design (95 kPa / 14 psi)
• Available in skirted (self-standing) and conical bottom formats
• Freezer-safe to -86°C
• Frosted surface for easy writing and sample identification
• Compatible with standard rotors and racks
• Sterile and certified RNase-, DNase-, pyrogen-, and cytotoxin-free 

Applications

• Large-volume centrifugation
• Cell pelleting and sample prep
• Tissue culture
• Clinical and molecular biology labs
• Sample storage and transport

*Performance specifications refer to liquids with a specific gravity of 1.0, using appropriate rotors, cushions, and adapters.
 

MTC™ Bio 10 mL Centrifuge Tubes

Perfect Mid-Range Solution Between 5 mL and 15 mL Tubes.

MTC™ Bio’s 10 mL Centrifuge Tubes are the ideal choice when 5 mL is too little and 15 mL is too much. Designed for efficiency, these tubes help reduce plastic waste, shipping costs, and storage space without compromising performance. Their shorter height allows for 100% sample recovery and less pipette contamination, making them a smarter alternative to taller 15 mL tubes.

Manufactured from high-quality medical-grade polypropylene, these tubes are RNase, DNase, and pyrogen-free, and come sterile in bags of 50 with attached screw caps. With a maximum RCF rating of 12,000 x g, they’re compatible with most 15 mL rotors, racks, and thermal blocks.

Key Features

• Fills the gap between 5 mL and 15 mL tubes
• Shorter tube height reduces waste, improves recovery, and prevents pipette contact with inner walls
• Printed graduations from 1.5 to 10 mL (0.5 mL increments)
• Fits most 15 mL centrifuge rotors, racks, and heaters
• Withstands up to 12,000 x g RCF
• Supplied sterile, with screw caps attached
• Certified RNase, DNase, and Pyrogen-Free

Applications

• General lab centrifugation
• Sample prep and storage
• Molecular biology, microbiology, and cell culture
• Clinical and diagnostic workflows

Packaging

• 50 tubes per sterile bag, caps attached
• Bulk-friendly for labs looking to reduce cost and waste 

Specifications
 

Max RCF w/o Cap	12,000 x g
Temp. Range	-86 to 121°C (-122.8 to 249.8ºF)
Material	Tube: Polypropylene | Cap: HDPE
Dimensions (D x H)	0.63 x 4.09 In. | 16 x 104 mm

 

TPP Tissue Culture Tubes

TPP Tissue Culture Tubes provide a versatile solution for cell culture, microscopy, and centrifugation in both research and industrial applications.

Available in 10 cm² and 20 cm² surface areas, these flat tubes offer crystal-clear transparency, activated growth surfaces, and user-friendly features like large openings for pipettes and scrapers, vented screw caps, and stable stacking. Ideal for adherent cell culture and convenient handling in CO incubators.

Features of TPP Tissue Culture Tube 10 cm²:

• Multifunctional: cultivation, incubation, examination under microscopy, and centrifugation.
• Conical shape eases pellet removal.
• 10 cm² surface activated growth area with crystal-clear transparency.
• Large opening allows full access for pipettes and scrapers.
• Sloped and flattened upper side reduces refraction for microscopy.
• Compatible with 50 mL standard centrifuge adapters (1,200 g).
• Segmental packaging protects tubes from scratches during transport.
• Bag slits with laser perforation allow easy opening.
• Fits TPP tissue culture racks (8 x tubes horizontal for CO incubator storage).

Features of TPP Tissue Culture Tube 20 cm²:

• 20 cm² activated growth surface over a 50 mm length.
• Volume graduations up to the tip for precise measurements.
• Specially formed 10-sided comb from “VENT” screw cap with “Click” prevents rolling and allows easy re-positioning.
• Click to lock: “VENT” screw cap ensures constant airflow in vertical position.
• Compatible with 15 mL standard tube adapter; centrifuge up to 1,200 g.
• Re-closable zipper bag with laser perforation for convenient storage.

Quality Assurance:

• Made from high-quality polystyrene for excellent optical clarity.
• Sterile, gamma-irradiated packaging.
• Certified DNAse/RNAse, nucleic acid, and pyrogen-free.

Specifications

Contact us for free samples and experience how TPP Tissue Culture Tubes improve your cell culture workflow.

MTC™ Bio 30 mL Centrifuge Tubes

Leakproof, Freezer-Safe, and Self-Standing for Reliable Everyday Use.

These 30 mL centrifuge tubes offer the ideal balance between standard 15 mL and 50 mL sizes, providing extra capacity without the bulk. Made from high-clarity, medical-grade polypropylene, these tubes are built for durability and optimal performance in high-demand laboratory environments.

The 30 mL model features a skirted (self-standing) bottom, eliminating the need for separate tube racks—ideal for hands-free handling and improved workflow. Each tube includes a flat-top, screw-on cap designed for easy labeling and leakproof sealing up to 95 kPa (14 psi). These tubes can be safely frozen down to -86ºC and are rated for centrifugation up to 7,000 x g when used with appropriate rotors and adapters.

Every 30 mL centrifuge tube is sterile, RNase-, DNase-, pyrogen-, and cytotoxin-free, ensuring sample purity and integrity. Available bagged or racked to meet your lab's organizational needs.

Key Features

• 30 mL volume—ideal for mid-capacity applications
• Made of high-strength polypropylene for chemical and centrifugal resistance
• Withstands up to 7,000 x g RCF
• Leakproof design (95 kPa / 14 psi) with flat-top screw caps
• Skirted base allows tubes to stand upright without racks
• Freezer-safe to -86C
• Frosted surface for easy writing and labeling
• Sterile and certified free of RNase, DNase, pyrogens, and cytotoxins
• Supplied in bags or eco-friendly plastic racks

Applications

• Sample collection and processing
• Mid-volume centrifugation
• Cell culture, pelleting, and storage
• Clinical and life science research
• Freezing and short-term sample preservation

MTC™ Bio 25 mL Centrifuge Tubes

MTC™ Bio 25 mL Centrifuge Tubes are the perfect solution for applications requiring more volume than 15 mL tubes but less than 50 mL. Designed to close the gap between standard sizes, these mid-volume conical tubes are ideal for midipreps, sample preparation, centrifugation, mixing, and long-term storage.

With a 33% shorter height and a wide diameter identical to 50 mL tubes, these low-profile tubes enhance efficiency by allowing faster pellet re-suspension and 100% sample recovery, even with small volumes. Their unique design also helps prevent cross-contamination, thanks to a pipette-friendly, wide-mouth opening that reduces accidental contact with the inner tube wall.

Made of high-clarity polypropylene, each 25 mL tube can withstand up to 17,000 x g RCF (relative centrifugal force) and features a 360º support rim beneath the screw cap. This rim fits most standard 50 mL tube rotors, racks, blocks, and centrifuge shields, eliminating the need for adapters—similar to the convenience of 1.5 mL microcentrifuge tubes.

These conical tubes come gamma sterilized, are RNase, DNase, and pyrogen free, and are available in bags or racks of 25, with caps pre-attached for ease of use.

Key Features

• 25 mL capacity – fills the gap between 15 mL and 50 mL tubes
• Shorter height & wider diameter – saves storage space and improves sample handling
• Compatible with 50 mL centrifuge rotors – no adapters needed
• 360° support rim – ensures secure fit in racks and rotors
• Printed volume graduations – clear markings from 5 mL to 2 mL
• High-speed performance – withstands up to 17,000 x g RCF
• Sterile & certified – RNase, DNase, and pyrogen free
• Reduced waste and freight costs – eco-friendly compact design 

Specifications
 

Max. RCF	17,000 x g
Temp. Range	-86°C to 121°C
Material	Tube: Polypropylene | Cap: HDPE
Dimensions (D x H)	1.14 x 3.03 In. | 29 x 77 mm

 

DuoClick™ Two Position Screw-Cap Culture Tubes

Revolutionize your culturing process with DuoClick™ Two Position Culture Tubes—featuring a patent-pending screw-cap design that offers simple, secure, and splatter-free closure. Ideal for both aerobic and anaerobic culturing, DuoClick™ tubes eliminate the frustration of traditional snap-caps and provide a safer, more controlled lab experience.

The innovative cap mechanism clicks into two distinct positions:

• First Click: Secure, ventilated seal for aerobic culturing
• Second Click: Airtight, leakproof seal for anaerobic culturing

Made from high-quality polypropylene, these tubes are durable, chemical-resistant, and centrifuge-safe up to 4,000 x g. They come gamma sterilized, with attached screw caps, and are available in ready-to-use rack packaging for maximum convenience. Each tube also features easy-to-read printed graduations and a flat, markable cap for improved labeling and traceability in busy lab environments.

Key Features

• Patent-pending DuoClick™ screw-cap with aerobic and anaerobic settings
• Reduces splashing and eliminates snap-cap frustration
• Flat, writable screw-cap for easy sample identification
• Printed graduations for accurate measurement
• Polypropylene construction – centrifuge safe up to 4,000 x g
• Gamma sterilized and ready-to-use in racks
• Ideal for microbiology, cell culture, and general lab use 

Upgrade your lab’s efficiency and safety with DuoClick™ Culture Tubes—the smarter solution for modern culturing workflows.
 

New Look, Same Reliable Product - Now from PR1MA™!

PR1MA™ Transport Tubes with Temperature Indicator

Leak-Proof, 95kPa Compliant, Temperature-Indicating Sample Vials.

PR1MA™ Self-Standing Transport Tubes—commonly known as mailing tubes or transport vials—are specifically engineered for the safe storage, transport, and freezing of temperature-sensitive biological samples. Made from virgin polypropylene, these tubes are RNase, DNase, and pyrogen-free, ensuring contamination-free use in medical, clinical, pharmaceutical, and research settings.

Each sterile tube features a 1¼-turn, leak-proof screw cap that is pre-attached for convenience. The tubes are fully 95kPa compliant, making them ideal for the air transport of infectious or high-risk samples.

Now enhanced with Temperature Indicator Technology, each tube includes a
built-in indicator patch that offers a visual cue of the sample’s temperature state:

• Starts turning blue at 4°C
• Turns dark blue at 0°C
• Returns to transparent grey above 4°C

This unique feature helps researchers monitor cold chain integrity and prevents sample degradation due to temperature fluctuation—perfect for transporting vaccines, reagents, or temperature-sensitive specimens.

Key Features

• Temperature Indicator for real-time temperature awareness
• Certified 95kPa compliant for air shipment of biological materials
• Made from high-purity, virgin polypropylene
• Leak-proof, 1¼-turn screw caps (pre-attached)
• White printed graduations and marking area for easy labeling
• Sterile, RNase, DNase, and pyrogen-free
• Self-standing design for benchtop stability

TPP TubeSpin® Bioreactors

TPP TubeSpin® Bioreactors have a proven track record in large-scale screening and optimization processes of suspension cells. Designed for efficiency, these tubes allow evaluation of parameters important for production up-scaling while using minimal culture volumes—maximizing the number of parallel experiments possible at the same time.

Suspension cells ranging from immune cells to insect cells, and microorganisms such as E. coli and yeast, can be both cultured and centrifuged directly in TubeSpin® Bioreactors, eliminating the need for transfers before spinning down.

Key Features

• Working volume: 1–35 mL
• Start small suspension cell cultures directly from frozen stocks
• Suitable for bacterial, yeast, and suspension cell cultures (static or shaking)
• Conical bottom for easy pelleting
• 0.22 µm PTFE filter membrane for sterile gas exchange
• Five adjustable openings (A–E) to regulate ventilation as needed
• Fits in standard 15 mL centrifuge rotors
• Dual-purpose: culture and spin in the same tube
• Saves on consumables compared to Erlenmeyer flasks and transfer tubes

Advantages

• Superior gas exchange and defined ventilation control
• Flexible working volumes with one tube type
• Eliminates transfer steps — centrifuge cultures directly
• Enables large-scale, parallel experiments
• Minimizes cell shearing and foam formation (no stirring mechanism)
• Space-saving compared to T-flasks
• Reduces plastic use and waste
• Easy sampling and withdrawal

Applications: Bacterial & Microbiological Cultures

• TPP TubeSpin® Bioreactors are ideally suited for bacteria, yeast, and other microorganisms. Compared to traditional glass test tubes, these disposable tubes save time and effort by eliminating washing and sterilization steps.
• Support aerobic and anaerobic cultures via adjustable filter cap openings
• Culture 1–35 mL volumes per tube — ideal for mini preps, small-scale screens, and downstream workflows
• Disposable format ensures fast setup and reduced contamination risk
• Compatible with CO shaking incubators for parallel high-throughput cultivation

Water Loss Minimization

• When incubating small culture volumes for extended periods, water loss can affect growth. 
• TubeSpin® Bioreactors allow control of evaporation by selectively closing openings above the sterile PTFE filter membrane, while still ensuring effective gas exchange.

Quality Assurance

• Manufactured from high-quality, optically clear plastic
• Sterile, gamma irradiated
• Certified DNase/RNase, nucleic acid, and pyrogen-free

Contact us for free samples and explore how TPP TubeSpin® Bioreactors
can streamline your cell culture workflows.   

Literature and comprehensive information about shaking technology can be found in the "Forum Shaking Technology", a cooperation of TPP with competent partner companies. 
     
  

FlowTubes™ For Flow Cytometry

FlowTubes™ are high-clarity, 12 x 75 mm polystyrene tubes specifically engineered for use with flow cytometry instruments. Designed for precision and compatibility, each tube features tightly controlled neck dimensions to ensure reliable performance with automated sorting and analysis systems.

Ideal for collecting and preparing dissociated samples,
FlowTubes™ are available in multiple cap configurations to meet your specific needs:

• Standard two-position culture cap
• Cap with integrated 35 uM nylon mesh strainer for simplified sample filtering
• Uncapped option for flexible workflows 

With a 5 mL capacity and made from crystal-clear polystyrene, these tubes offer excellent optical clarity for fluorescence-based applications and ensure smooth operation in automated instruments.

Key Features

• Designed for flow cytometry and cell sorting
• Precision neck dimensions for consistent instrument compatibility
• Available with 35 uM strainer cap, standard cap, or no cap
• Crystal-clear polystyrene for high-clarity fluorescence imaging
• 12 x 75 mm format with 5 mL capacity

Whether you're processing high-throughput cell samples or performing critical FACS analysis, FlowTubes™ deliver the quality and consistency your lab demands.
 

Five-O™ 5 mL MacroTubes^® - Opaque Black

The 5 mL Five-O MacroTubes take all of the conveniences of standard 15 mL conical tubes and scale them down for space efficiency and decreased natural resource consumption. Useful from -86°C to 110°C, these tubes are a valuable resource for boiling and for sample preservation at very low temperatures. Additionally, the 56 mm length (vs. 120 mm for 15 mL tubes, greatly reduces the risk of contamination of pipettor shafts, allowing 1 mL or 5 mL tips to easily reach the bottom.

The foam racks are similar to the packaging normally associated with 15 mL tubes (upright with caps attached), but they require about 60% less storage space.

• Opaque Black Tube
• Compatible with standard equipment
• Centrifuge at up to 25,000 x g
• RNase, DNase & pyrogen free
• Unsurpassed Clarity
• Dual graduations at every 0.2 mL and 0.5 mL