PR1MA™ Western Blotting Boxes

Minimize Antibody Waste & Maximize Efficiency.

No matter the size of your blot, there’s a PR1MA™ Western Blotting Box designed to fit it perfectly. Our selection includes boxes tailored for mini, half, whole, and strip blots, ensuring the most efficient use of space and reagents. By matching blot size to the correct container, you can reduce reagent and antibody consumption, save money, and maximize shaker or rocker capacity during incubation.

All boxes feature uniformly flat bottoms and 90º angled corners to ensure even reagent distribution and minimal pooling. For light-sensitive samples, opaque black blotting boxes are available to protect antibodies and blots from photodegradation.

With a hinged lid to minimize evaporation and sizes optimized for all common blotting applications, these boxes are a must-have for any lab performing Western blot analysis.

Key Features

• Sized to fit all common blot formats – mini, half, whole, and strip blots
• Reduce antibody and reagent usage with perfectly sized boxes
• Flat bottom and 90° corners for uniform reagent coverage
• Hinged lids reduce evaporation during incubations
• Light-blocking black boxes available for light-sensitive protocols
• Ideal for Western blotting, membrane staining, and antibody incubations 

Use the right-sized box to get better results while saving on expensive reagents.   

Specifications

PR1MA™ 6-Well Deep Well Plates

PR1MA™ 6-Deepwell Microplates are high-quality, sterile plates specifically engineered for CHO-cell cultivation. Each plate is constructed from pure polystyrene with no additives, making it ideal for sensitive biological applications. Designed to replace 125 mL shake flasks, these plates offer superior mixing, better scalability, and a smaller lab footprint.

Key Features

• Six Deep Wells Per Plate: Each square well measures 34 x 34 mm, is 80 mm deep, and has a slightly rounded bottom to prevent foaming
• Recommended working volume of 25 to 35 mL per well, with a maximum capacity of 82 mL
• Pyramid-shaped well bottom allows for easy and consistent centrifugation, centralizing cell pellets for simplified downstream processing
• Sterilized by gamma irradiation. Plates are non-autoclavable and individually sealed for contamination control
• Optimized for Shaking Incubators: Suitable for orbital shaking at 180 rpm (50 mm orbit) or 225 rpm (25 mm orbit) to ensure efficient oxygen transfer and mixing.
• Specifically developed for long-term cultivation (4+ days) of Chinese Hamster Ovary (CHO) cells, widely used in biopharma production
• Packed in boxes of 4, each plate is individually wrapped in polyethylene foil for easy handling and contamination prevention 

Available Lid Options

• Standard Polystyrene Lid (PR-CR1406)
• Barcoded Version (PR-CR1406-B) for sample tracking
• Disposable Low-Evaporation Cover (PR-CR1406-DC) 

Low-Evaporation Disposable Cover (PR-CR1406-DC)

Enhance your long-term culture performance with this disposable sandwich-style lid, specifically designed to minimize evaporation during extended incubations.

• Evaporation Control: ~130 uL/well/day at 30°C, 50% humidity
• Air Exchange: 6.5 mL/min per well through 4 mm holes
• Ideal for Extended Cultures: Supports stable growth of CHO cells over 4+ days 

Construction

• Rigid frame from medical-grade polystyrene
• ePTFE membrane filter (0.3 uM) laminated with polyester/polyamide fabric
• PEVA rubber seal (FDA-grade closed-cell foam) for a tight fit and secure seal 

Upgrade to the PR1MA™ 6-Deepwell Plates for more consistent culture performance, improved lab efficiency, and reduced risk of contamination.

Specifications
 

Item #	Plate Description	Plate Height	Wells	Bottom Style	Vol.	Rec. Culture Vol.	Color
PR-CR1406	Extra high square deepwell w/ PS lid	85 mm	6 Wells, 80 mm	V-Bottom	492 mL	25 - 35 mL	Clear
PR-CR1406-B	Extra high square deepwell w/ PS lid and barcode	85 mm	6 Wells, 80 mm	V-Bottom	492 mL	25 - 35 mL	Clear
PR-CR1406-DC	Extra high square deepwell w/ dispo. cover, 4 mm holes	85 mm	6 Wells, 80 mm	V-Bottom	600 mL	25 - 35 mL	Clear

 

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

PR1MA™ 24 Well Half Deep Well Plates

4-Well round polystyrene microplates with transparent bottom and lid (Porvair®).

The PR1MA™ Half Deep Well Plate - 24 is designed for specialized cell cultivation where minimal shear stress is essential. Manufactured from high-quality polystyrene, these microplates feature round wells with a transparent bottom and come with a polystyrene lid, making them ideal for applications such as Growth Profiler analysis and other optical measurements.

Each plate is individually sealed in polyethylene foil, sterilized by gamma irradiation, and non-autoclavable, intended for single-use only. These microplates are a preferred solution for culturing sensitive cells that may not tolerate the angular edges of square-well plates.

With a recommended culture volume of 1 mL (total well volume 3 mL), the PR-CR1424-F performs reliably under standard shaking conditions, 225 rpm with 50 mm orbit or 300 rpm with 25 mm orbit.

For optimal use, pair with Porvair® cover CR1324c and clamp CR1801h for secure sealing and improved cultivation consistency.

Key Features

• 24-well round-bottom microplates made of polystyrene
• Transparent bottom suitable for Growth Profiler and optical measurements
• Gamma-irradiated for sterility
• Single-use; non-autoclavable
• Each plate includes a polystyrene lid and is individually sealed
• Recommended culture volume: 1 mL (well capacity: 3 mL)
• Shaking conditions: 225 rpm / 50 mm orbit or 300 rpm / 25 mm orbit
• Packed in boxes of 16 

Ideal for researchers working with shear-sensitive cell cultures, and in applications where consistent sterility and transparency are critical.

Specifications

Disclaimer

Porvair® is a trademark of Porvair plc. Our products are third-party items designed for compatibility with select Porvair® components. Porvair plc does not manufacture, sponsor, or endorse our products, and is not affiliated with these offerings in any way.
 
 

PR1MA™ 96-Well Half Deep Well Plates

PR1MA™ 96 Half-Deepwell Microplates are high-quality plates designed for high-throughput microbial or cell culture, optimized for use in aerated shaking incubations and growth profiling systems.

Manufactured from pure polystyrene with no additives and sterilized by gamma irradiation, these plates ensure optimal sterility and performance for sensitive cultivation needs.

These half-deepwell plates offer exceptional optical clarity, mixing efficiency, and pellet recovery, making them an ideal choice for biotech, pharmaceutical, and academic laboratories conducting high-throughput screening, growth analysis, and sensitive cultures.

Key Features

• Square wells (8 x 8 mm, 17 mm deep) for space efficiency and consistent mixing
• Recommended working volume of 0.3 mL, with a max of 1.1 mL per well
  Suitable for
  
• Suitable for
• Suitable for 225 rpm (50 mm orbit) or 300 rpm (25 mm orbit) for high oxygen transfer rates
• Ideal for small-volume cultures (up to 1.1 mL per well) 

Available in sterile, single-use boxes of 16, individually wrapped in polyethylene foil for easy handling and contamination prevention.

PR1MA™ Plates for General Cultivation

• General cultivation plates ideal for sensitive microbial or mammalian cell cultures (PR-CR1496-C)
• Compatible with universal clamping systems for secure shaking incubation
• Pyramid bottom design ensures efficient cell pellet collection during centrifugation
• Also available in boxes of 20, 10 plates per sealed bag (PR-CR1496-C10)

PR1MA™ Plates for Growth Profiler Applications

• Standard plate for use in Growth Profiler systems (PR-CR1496-DG)
• Light grey color to minimize optical crosstalk between wells
• Transparent bottom laser-welded, no adhesives used, ensuring optical clarity and assay integrity 

PR1MA™ Plates for Niche Photometric Applications

• 96 Plate designed for specialized photometric assays (PR-CR1496-F)
• Transparent bottom laser-welded, no adhesives used, ensuring optical clarity and assay integrity 

Specifications
 

Item #	Plate Description	Plate Height	Wells	Bottom Style	Vol.	Rec. Culture Vol.	Color
PR-CR1496-C	Square half deepwell	22 mm	96 Wells, 17 mm	V-Bottom	105.6 mL	0.3 mL	Clear
PR-CR1496-C10	Square half deepwell, 20/pk, 10 pks/cs	22 mm	96 Wells, 17 mm	V-Bottom	105.6 mL	0.3 mL	Clear
PR-CR1496-DG	Square half deepwell	22 mm	96 Wells, 17 mm	Transparent	105.6 mL	0.3 mL	Grey/White
PR-CR1496-F	Square half deepwell	22 mm	96 Wells, 17 mm	Transparent	105.6 mL	0.3 mL	Black

 

PR1MA™ Cryo Tubes Promo!

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

For free product, add 2 list price items of your choice and one 5160-0G-F item to your cart.

Promo valid until 06/30/26 or while supplies last.
Offer cannot be combined with other discounts or institutional pricing. Customer must pay the list

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

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

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

PR1MA™ Freezer Box Promo!

For a limited time, enjoy discounted pricing on select PR1MA™ Cardboard Freezer Boxes!

(SB2CC-81, SB2CC-100)

 

Offer is valid until 12/31/2026 or while supplies last. Not valid on previous purchases.
Special price applies only to the items specified. Other capacities or items cannot be substituted.

All terms and conditions apply.

PR1MA™ Cardboard Freezer Boxes and Inserts

PR1MA™ Cardboard Freezer Boxes and Inserts provide reliable, organized storage for samples in both upright and chest freezer racks. Designed for laboratory environments, these freezer boxes deliver durability and performance across a wide temperature range, making them suitable for long-term biostorage and cryogenic applications.

Constructed to withstand temperatures from -196ºC to 121ºC, PR1MA™ freezer boxes are ideal for use in ultra-low temperature freezers, liquid nitrogen vapor phases, and standard laboratory freezers. Each box features drain holes on the bottom to prevent moisture buildup and a dedicated writing area on the lid for clear sample identification and inventory control.

The boxes follow the standard 5.25 x 5.25 x 2-inch footprint, ensuring compatibility with most freezer racks. Additional 3-inch and 4-inch height options are also available to accommodate varying tube lengths and storage needs. A wide range of cell divider configurations, from 16 to 144 cells, allows laboratories to customize storage for different tube sizes and sample quantities.

Main Attributes

• Compatible with upright and chest freezer racks
• Wide temperature range: -196ºC to 121ºC
• Drain holes to minimize condensation buildup
• Writable lid area for easy labeling and organization
• Standard 5.25 x 5.25 In. footprint
• Available in 2, 3, and 4 inch heights
• Multiple cell divider options: 16, 25, 36, 49, 64, 81, 100, or 144 

PR1MA™ Cardboard Freezer Boxes and Inserts offer a practical, space-efficient solution for secure sample storage, helping laboratories maintain organization, traceability, and workflow efficiency.

Need Freezer Racks too? Check out our Freezer Rack Configurator to find the perfect rack for your lab.
 

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.
 

RWD Tissue Processing Tubes

RWD Tissue Processing Tubes (SCT-25 and SCT-100) are engineered for efficient, reproducible tissue processing and are compatible with leading competitor systems (0 to 4,000 rpm). Designed to streamline laboratory workflows, these versatile tubes combine single-cell dissociation and tissue homogenization into one convenient format.

Unlike competitor systems that require separate tubes for each application, RWD Tissue Processing Tubes feature an optimized mechanical cutting structure that enables both processes in a single tube. This integrated design delivers consistent performance across a wide range of tissue types while reducing handling steps, saving time, and improving workflow efficiency.

Ideal for research and life science laboratories, these tissue processing tubes provide reliable, reproducible results and seamless integration into existing tissue dissociation and homogenization systems.   

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!

Five-O™ 5 mL Screw Cap MacroTubes®

Five-O™ 5 mL Screw-Cap MacroTubes® combine the durability and convenience of traditional 15 mL conical tubes with a compact, resource-efficient 5 mL format. Designed for enhanced space savings and reduced plastic consumption, these versatile polypropylene tubes support a wide range of laboratory workflows, from boiling applications to long-term sample preservation at –86°C to +121°C.

Choose between sterile racked packaging with attached screw caps or non-sterile bulk packaging with separate caps. The racked format features foam racks similar to those used for 15 mL tubes but requires approximately 60% less storage space. These tubes are fully compatible with standard laboratory equipment, making it easy to integrate them into existing centrifugation, storage, and processing protocols.

Five-O™ MacroTubes® deliver exceptional clarity, dual graduations at 0.2 mL and 0.5 mL, and are certified RNase-, DNase-, and pyrogen-free, ensuring clean and reliable performance in molecular biology and general lab applications. With a maximum centrifugal force rating of 25,000 x g, they meet the demands of high-speed centrifugation.

Main Attributes

• Compatible with standard equipment and rotors
• Screw-cap design for secure, leak-resistant sealing
• Centrifugation rated up to 25,000 x g
• Dual graduations at every 0.2 mL and 0.5 mL
• RNase-, DNase-, and pyrogen-free
• Exceptional clarity for easy sample visualization   

TotalPure™ Metal Free Centrifuge Tubes

Total-Pure™ Centrifuge Tubes are produced from a proprietary purified polypropylene blend that is certified to be free of trace metal content. Tested via ICP-MS, these tubes are certified to contain less than 1ppm of common trace metals including: Calcium, Magnesium, Zinc, Iron, Manganese, Copper, Aluminum, Silicon, Nickel, Vanadium, Sodium, Phosphorous, Cobalt, Chromium, Potassium, Lithium, Lead, Selenium, Cadmium, Mercury, and Arsenic.

In addition to a superior level of purity, TotalPure™ Tubes include a wide array of premium features. These tubes are engineered to withstand a max centrifugation rate of 20,000 x g, with this RCF specification printed directly on both the 15 mL and 50 mL tubes. These tubes also feature Hi-Viz™ graduations that are easily identified at any angle and the printed max-freeze line indicates the maximum allowable volume to be frozen inside the tubes. TotalPure’s natural color caps offer a smooth seal that is easy to open/close with one hand without compromising the integrity of the 95kPA leak-proof seal.

• Ultra-Pure Polypropylene Blend Certified Free of Trace Metals
• Hi-Viz™ Graduations with Maximum Freeze Capacity Line
• Resealable Zip Bags of 25 Tubes, or Individually Wrapped
• E-Beam Sterilized (SAL 10-6)
• RNase, DNase, and Pyrogen - Free   

• Latex, TE, BSE, Endotoxin Free

• Medical Grade PP conforms to FDA 21CFR (USP Class IV)
• Produced in Class 100,000 Clean Room