Filters

High-Performance Solutions for Every Workflow

Looking for reliable filtration tools for life science, cell culture, or microbiology applications? MIDSCI Lab Filtration Products deliver precision, consistency, and contamination control for sample preparation, chromatography, and analytical workflows. From syringe filters to vacuum filtration systems, we offer a complete range of filtration solutions designed for clarity and efficiency.

Choose from sterile and non-sterile options, hydrophobic or hydrophilic membranes, and a variety of pore sizes to match your application, whether it’s HPLC, electrophoresis, or routine lab use.

With Midwest-based shipping, expert consultation, and trusted compatibility across lab equipment, MIDSCI is your one-stop source for filtration products and essential lab consumables.

Shop our catalog now or contact our experts for personalized recommendations. Don’t forget to sign up for our newsletter to hear about new offers and promotions!

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PR1MA Centrifuge Tube Filter Systems

 

PR1MA Centrifuge Tube Filter Systems simplify sample preparation by allowing filtration directly into a 50 mL centrifuge tube, eliminating the need for an additional transfer step. This design reduces sample loss, saves time, and improves workflow efficiency in routine lab filtration applications.

 

Each filter system features a polyethersulfone (PES) membrane, providing high flow rates and low protein binding for reliable performance with a wide range of biological samples. Every case of 50 mL Centrifuge Tube Filter Systems includes a reusable centrifuge tube stand for added convenience.

 

One polypropylene Centrifuge Tube Stand is included with each case of 50 mL Centrifuge Tube Filter Systems. The included stand is autoclavable, reusable, and recyclable, and is designed to securely hold:

  • One 50 mL centrifuge tube
  • Three 15 mL centrifuge tubes
  • Three 1.5 mL microcentrifuge tubes 

The PR1MA Centrifuge Tube Filter System is an efficient, practical solution for laboratories seeking streamlined filtration with durable, reusable accessories.
 

Item#:
ASCENTTUBFILSYS


PR1MA Signature Cell Strainers

 

Clean, reliable filtration with every use.

 

The PR1MA Cell Strainer system is a fast, efficient, and easy-to-use solution designed to streamline the process of cell isolation and filtration. Ideal for flow cytometry, this advanced straining system is perfect for detaching, isolating, and filtering cells from clusters and tissue samples.

Each cell strainer features a durable polypropylene frame supporting a nylon mesh, available in eight distinct, color-coded pore sizes ranging from 5 uM to 100 uM. Eight fine mesh options offer enhanced control for filtering cell aggregates and clumps, improving experimental precision.

 

The innovative frame design significantly improves filtration performance. By eliminating the “air-lock” effect, PR1MA Signature Cell Strainers promote faster flow-through and better aeration, reducing spillover and processing time.

 

Main Attributes

  • Available in 8 color-coded pore sizes (5 uM to 100 uM) for precise cell sorting
  • Fast flow-through thanks to advanced polypropylene frame design
  • Includes universal adapter for tubes smaller than 50 mL
  • Compatible with 6-well plates, flat-bottom plates, and culture dishes
  • Interlocking and stackable design for improved lab workflow
  • Built-in 1.5 mm feet for elevated straining into flat vessels
  • Supplied sterile in individual blister packaging
  • Certified RNase-, DNase-, pyrogen-, and cytotoxin-free
Item#:
ASCELLSTAIN1
Limited Time Promo!


Limited Time Promo!

 

For a limited time, buy 2 cases of PR1MA™ Cell Strainers and get a 3rd one FREE!

 

How to claim:

 

Add your choice of 2 PR1MA™ Cell Strainers to your cart at the list price:

 

PR-40BCS-50, PR-70BCS-50, or PR-100BCS-50 at $175.0

PR-40ICS-15, PR-70ICS-15, or PR-100ICS-15 at $180.00

PR-40ICS-50, PR-70ICS-50, or PR-100ICS-50 at $182.00

 

Then add the item number followed by "-VF" for your free 3rd item!

 

Offer is valid from 07/01/26 to 09/30/26 or while supplies last.

Cannot be combined with other offers or discounts. Not valid on previous purchases or institutional pricing.

Special price applies only to the item specified. Valid in the USA only.

All standard terms and conditions apply.



PR1MA Cell Strainers

 

PR1MA Cell Strainers are designed for efficient and reliable cell filtration across a wide range of laboratory applications. Built with durable polypropylene housing and a nylon mesh filter, these strainers eliminate the need for improvised filtration materials such as gauze or paper, helping ensure consistent results and efficiency.

 

Main Attributes

  • Ideal for isolating cells and removing clumps or debris
  • Extended lips support aseptic handling with forceps
  • Elongated gripping tabs for easy, secure handling
  • Polypropylene housing with integrated nylon mesh filter 

15 mL Cell Strainers

 

The PR1MA 15 mL Cell Strainers feature a versatile, user-friendly design that accommodates multiple tube sizes from 0.5 mL microtubes up to 15 mL centrifuge tubes, making them ideal for flexible lab use.

  • Compatible with tubes ranging from 0.5 to 15 mL
  • Stackable design enables serial filtration workflows
  • Removable, invertible upper cup allows recovery of residual cells
  • Hydrophilic treatment and venting spacers improve flow and reduce surface tension
  • Compatible with pestle (PR-SG-PEST-B) for enhanced sample processing

50 mL Cell Strainers

 

PR1MA 50 mL Cell Strainers are engineered for universal compatibility and streamlined laboratory workflows, fitting most standard 50 mL conical tubes.

  • Designed to fit most 50 mL conical tubes
  • Available individually wrapped or in unique bulk packaging options for high-throughput labs

Pestle for Cell Strainers

 

Enhance your sample preparation process with the PR1MA pestle, designed specifically for use with cell strainers.

  • Individually wrapped and sterile for immediate use
  • 5.5-inch length for comfortable hand manipulation
  • Convex head with molded textured surface for improved handling of slippery materials
  • Optimized design improves sample manipulation within the strainer

Item#:
ASCELLSTAIN2


PR1MA PVDF Syringe Filters

 

PR1MA PVDF Syringe Filters are designed to deliver superior filtration performance for laboratories requiring high protein recovery and reliable results. Featuring durable polypropylene housings, these filters are molded without adhesives to ensure a secure, leak-free seal. The low-protein-binding PVDF (polyvinylidene fluoride) membrane makes them ideal for filtering non-aggressive aqueous solutions and mild organic samples while maximizing sample integrity.

 

The filters are equipped with a female luer-lock inlet and a male luer-slip outlet for easy, secure connections. Each filter is color-coded by membrane type, allowing for quick identification in busy lab environments. These syringe filters are also suitable for high-temperature filtration applications, ensuring versatility across various workflows.

 

Main Attributes

  • Manufactured in polypropylene housings without adhesives for a reliable seal
  • Female luer-lock inlet and male luer-slip outlet
  • Color-coded for easy membrane identification
  • Low protein-binding PVDF membrane
  • Designed for the filtration of non-aggressive aqueous and mild organic solutions
  • Maximizes protein recovery
  • Suitable for high-temperature filtration
  • Convenient bulk packaging option for high-volume applications (PR-SFPVDF-4530-B)

Item#:
ASPRSFPVDF


PR1MA PES Syringe Filters

 

PR1MA PES Syringe Filters are designed for reliable and efficient filtration of buffers and culture media. Manufactured with durable polypropylene housings and no adhesives, these filters provide a secure, leak-free seal you can trust. With a user-friendly luer connection and color-coded identification by membrane type, they ensure consistent performance and ease of use in laboratory applications.

 

Main Attributes

  • Molded polypropylene housing ensures a strong, adhesive-free seal
  • Female luer-lock inlet and male luer-slip outlet for secure connections
  • Color-coded for easy membrane identification
  • PES (Polyethersulfone) membrane offers low protein affinity and low extractables
    • PES is the most popular choice
  • Faster flow rate compared to PVDF membranes
  • Ideal for pre-filtration and filtration of buffers and culture media
  • Sterile options for immediate use
  • Bulk packaging option for high-volume use (PR-SFPES-4530-B)

Item#:
ASPRSFPES


PR1MA Nylon Syringe Filters

 

PR1MA Nylon Syringe Filters are designed for dependable and versatile filtration across a wide range of laboratory applications. Built with durable polypropylene housings and no adhesives, these filters provide a secure, leak-resistant seal for consistent performance. With easy-to-use luer connections and color-coded membrane identification, they offer both reliability and convenience in analytical, chemical, and beverage filtration processes.

 

Main Attributes

  • Durable polypropylene housing ensures a strong, adhesive-free seal
  • Female luer-lock inlet and male luer-slip outlet for secure connections
  • Color-coded by membrane type for easy identification
  • Nylon membrane for broad application use
  • Designed for analytical procedures, chemical filtration, and beverage filtration
  • Ideal for chemical filtration and beverage filtration
  • Sterile options for immediate laboratory use
  • Bulk packaging options for high-volume use (PR-SFNY-2230-B, PR-SFNY-4530-B)

Item#:
ASPRSFNY


PR1MA PTFE Syringe Filters

 

PR1MA PTFE Syringe Filters are designed for reliable and efficient filtration in laboratory applications requiring chemical compatibility and temperature resistance. Manufactured with a polypropylene housing and no adhesives, these filters ensure a secure seal and consistent performance.

Available in both sterile and bulk-packed non-sterile options, these filters are ideal for handling aggressive solvents and demanding filtration processes.

Applications include degassing and clarifying aqueous samples, strong acid solvent filtration, and alkali solvent filtration.

 

Main Attributes

  • Durable polypropylene housing molded without adhesives for a dependable seal
  • Female luer-lock inlet and male luer-slip outlet for secure, easy connections
  • Color-coded membranes for quick and accurate identification
  • Hydrophobic PTFE (Polytetrafluoroethylene) membrane
  • Excellent temperature resistance
  • Suitable for demanding chemical filtration applications
  • Ready-to-use sterile options, ideal for sensitive applications requiring contamination control
  • Cost-effective bulk packaging options, convenient for high-volume laboratory use

Item#:
ASPRSFPTFE


PR1MA SFCA Syringe Filters

 

PR1MA SFCA Syringe Filters are designed for efficient and reliable filtration of aqueous solutions in laboratory environments. Featuring a surfactant-free cellulose acetate membrane, these sterile filters provide low protein binding and minimal extractables, making them ideal for sensitive filtration applications.

 

Manufactured with a polypropylene housing and molded without adhesives, these filters ensure a secure seal and consistent performance. Applications include filtration of aqueous solutions, buffers, media, and laboratory reagents.

 

Main Attributes

  • Durable polypropylene housing molded without adhesives for a reliable seal
  • Female luer-lock inlet and male luer-slip outlet for secure and easy connections
  • Color-coded membrane for quick identification
  • SFCA (Surfactant Free Cellulose Acetate) membrane
  • Low protein binding for optimal sample recovery
  • Reduced extractables to maintain sample integrity
  • Low hold-up volume for maximum filtration efficiency
  • Contains no pre-wetting agents
  • Ready-to-use sterile format suitable for applications requiring clean and consistent filtration

Item#:
ASPRSFSFCA


TPP Syringe Filters

 

TPP Syringe Filters are engineered by scientists for scientists, delivering superior performance in filtering small volumes of tissue culture media, aqueous solutions, buffers, additives, and water. Unlike standard syringe filters, TPP filters provide rapid throughput—3 to 5 times faster—thanks to their premium PES membrane and enlarged filter surface area. With low protein binding, high flow rates, and bi-directional functionality, these filters ensure reliable sterile filtration while preserving sample integrity.

 

Built with a robust 33 mm housing diameter, TPP Syringe Filters fit securely on 50 mL centrifuge tubes for ease of use in any laboratory workflow. Each unit is gamma-sterilized, DNAse/RNAse-free, and pyrogen-free, individually wrapped for sterility, and supplied in a convenient dispenser box. Ideal for sterile filtration of protein solutions, tissue culture media, additives, buffers, and water, TPP Syringe Filters combine speed, reliability, and ergonomic handling to optimize laboratory efficiency.

 

Key Features

  • High-performance filtration is 3–5 times faster than standard syringe filters
  • Premium PES membranes have 0.22 µm or 0.45 µm pore sizes
  • Large filter surface increases flow rate and throughput
  • Low protein binding preserves sample integrity
  • Bi-directional use allows filtering forward or backward (single-use per direction)
  • Robust design withstands burst pressures up to 10 bar (~145 psi)
  • Secure 33 mm housing fits perfectly on 50 mL centrifuge tubes
  • Sterile packaging is gamma-irradiated, DNAse/RNAse-free, pyrogen-free, and individually wrapped
  • Convenient handling with card box dispenser for easy access

Quality Assurance

  • Sterile (gamma irradiated)
  • DNAse/RNAse-free
  • Pyrogen-free
  • Individually wrapped in peel-off blister packaging

Applications

  • Sterile filtration of protein solutions
  • Tissue culture media preparation
  • Additives and buffer filtration
  • Rapid processing of aqueous solutions and water

Specifications


Item #DescriptionFilter AreaMembrane TypeDimensionsMaterialQuantity
TP997220.22 µm Syringe Filters 6 cm2PES33 x 27 mmPET/PES40/cs
TP997450.45 µm Syringe Filters 6PES33 x 27 mmPET/PES40/cs

 

 

Contact us to request free samples of TPP Syringe Filters and experience faster, more reliable sterile filtration for your laboratory workflows.

   
 

In Stock and Available!


TPP Filtermax Filtration Units

 

The TPP Filtermax Filtration System is engineered for high-performance laboratory filtration with a premium 0.22 µm PES membrane. Its quadratic design offers a 20% larger filtration surface compared to circular membranes, improving throughput and saving valuable refrigerator space. The stable square bottom ensures secure handling during use, reducing the risk of tipping.

 

Each unit is designed for user comfort and flexibility. The tapered neck allows a firm grip, even with gloved hands, and the 45 mm neck thread ensures compatibility with standard bottles. Researchers can select a complete filter system, top only, or flask only to fit their workflow.

 

The Filtermax series is ideal for sterile filtration of media, buffers, and other laboratory liquids where speed, reliability, and sterility are essential.

 

Key Features

  • Large square filter PES membrane (0.22 µm)
  • High flow rate and low protein binding
  • Square design for stability and optimized fridge storage
  • Ergonomic tapered neck for slip-free grip
  • 45 mm neck thread for bottle compatibility
  • Flexible options: filter system, filter only, or flask only 

Quality Assurance

  • Gamma-sterilized, DNAse/RNAse-Free, and pyrogen-Free
  • Individually wrapped in a peel-off plastic wrapper
  • Screw cap & vacuum accessories included in each sterile package 

Contact us today to request a sample and experience the difference of TPP Filtermax in your lab.


ReadyStrain II Cell Strainer Kits

 

ReadyStrain II Cell Strainer Kits provide a complete, sterile solution for efficiently removing cell clumps and debris to isolate single-cell suspensions. Designed for convenience and consistency, these all-in-one kits eliminate the need to assemble multiple components, reducing handling time and minimizing contamination risks in the laboratory.

 

Each ReadyStrain kit comes preassembled and ready to use, featuring a cell strainer securely attached to a 50 mL centrifuge tube, along with a separate screw cap for easy sealing, processing, and storage after filtration. Packaged individually in sterile, easy-open tear-strip bags, these kits allow researchers to open what they need directly under a hood, avoiding unnecessary exposure of additional lab materials.

 

Gamma sterilized to a Sterility Assurance Level (SAL) of 10, ReadyStrain II Cell Strainer Kits offer a reliable and efficient solution for cell preparation workflows, improving reproducibility while maintaining sample integrity.

 

Main Attributes

  • Complete kit includes cell strainer, 50 mL tube, and screw cap
  • Preassembled, sterile, and ready-to-use
  • Individual packaging reduces contamination risks
  • Convenient tear-strip packaging for easy opening under sterile conditions
  • Gamma sterilized to SAL 10 for high sterility assurance

Item#:
ASREADYSTRAINII

Forensic MicroSpin

  • Forensic MicroSpin is a valuable device for the extraction of DNA from crime scene samples.
  • Forensic MicroSpin is specifically manufactured to prevent DNA or RNA contamination of the device prior to use.
  • The receiver tube can be capped to protect the sample for storage or freezing

Spec and Instructions:

    • The device has a filter unit, and a 2ml graduated micro centrifuge tube with an attached cap.
    • The filter unit has an integral perforated bottom that filter acts like a strainer and allows fluids to pass but retains small cloth samples in the filter unit.
    • A cloth sample from the crime scene is cut into small pieces and inserted in the filter unit.
    • Add appropriate solvents or buffers to the cloth sample in the filter unit that will permit extraction of DNA.
    • The filter unit is then placed into the 2ml microcentrifuge receiver tube, and the entire assembly is centrifuged in a microcentrifuge as indicated in the DNA extraction protocol being used by the forensic laboratory.
    • Following centrifugation, the filter unit is removed from the filtrate receiver tube, and the cellular debris in the bottom of the tube can be DNA fingerprinted by the forensic technician.
    • Maximum centrifugal force is 20,000 x g. Non-Sterile.
    • Includes Filter Unit & 2.0ml Receiver Tube
Item#:
ASFORENSIC
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