Filson Syringe Filter Supplier

High-Quality Syringe Filter

Filson has been manufacturing syringe filter for 20+ years. We can provide high-quality and cost-efficient filter in terms of customized materials, sizes and chemical resistance.

  • Various materials for different applications
  • Excellent chemical compatibility
  • Eminent filtration efficiency, huge flow rate
  • Reliable quality certified by CE and ISO standards

What is Syringe Filter

Filson syringe filter is ideally designed to remove bacteria, virus, contaminants or other particles with a eminent efficiency. With general pore size ranging from 0.01 to 30 micron, our syringe filter has large surface area and huge flow rate to meet your needs better.

Mainly made of high-quality materials like PTFE, PES or nylon, Filson syringe filter has rigid structure to withstand high heat and high pressure. Moreover, our syringe filter has outstanding chemical resistance to filter most chemical solvents.

Based on different materials, applications, pore size or diameter, Filson has various syringe filter types, including nylon syringe filter, PTFE syringe filter, o.45 syringe filter, 0.22 micron syringe filter, laboratory syringe filter and so on.

In addition, as an one-stop syringe filter factory, you can find almost all syringe filter related products in Filson. For example, we can offer you suitable syringe filter holder or needles, luer lock syringe filter, sterile syringe filter and other related filters with a lower price.

Syringe Filter Components

2 Products Found.

Syringe Filter Types by Materials

7. Glass Fiber Syringe Filter

Mainly made of glass fiber membrane, Filson glass fiber syringe filter has strong mechanical strength to resist high heat and high pressure. Our glass fiber syringe filter can be fabricated into various micron rating up to 2 micron to increase dirt-holding capacity and surface area.

8. Activated Carbon Syringe Filter

Filson activated carbon syringe filter is fabricated with high-quality activated carbon to enhance filtration efficiency. Owing to the uniform pore size, our activated carbon syringe filter has 3 – 7 times larger dirt-holding capacity than conventional filters.

9. Cellulose Syringe Filter

Lower protein binding of 5 µg/cm2, Filson cellulose syringe filter is ideal for dissolution sample analysis, especially high-binding tablets or capsules. Mainly made of regenerated cellulose, our RC syringe filter has durability and a competitive price.

9 Products Found.

Syringe Filter Classifications by Applications

7. Laboratory Syringe Filter
Laboratory Syringe Filter

Filson syringe filter offers an effective, economical and convenient solution on laboratory. Made of multiple materials, our laboratory syringe filter has outstanding chemical resistance and it can remove particles in most liquids or gases.

7 Products Found.

Syringe Filter Related Products

7. DMSO Compatible Syringe Filter
DMSO Compatible Syringe Filter

Owing to the unique feature of DMSO, it is PP and nylon than can be better material of Filson DMSO compatible syringe filter. Since Filson supports customized service, our filter has large flow rate up to 60 ml/min.

8. GHP Syringe Filter
GHP Syringe Filter

Filson GHP syringe filter, made of hydrophilic polypropylene or glass fiber, has excellent chemical compatibility with most solvents. With high hold-up volume up to 200 μL, GHP syringe filter can capture most particles and extend filtration components service life.

8 Products Found.

Syringe Filter Categories by Micron Rating

1 Micron Syringe Filter
1 Micron Syringe Filter

Filson always uses high-quality material like PTFE, PES, glass fiber to manufacture 1 micron syringe filter, and it has high temperature tolerance up to 100℃. The common diameter is 25mm and 33mm, and the surface area is up to 4.8 cm2.

1.2 Micron Syringe Filter
1.2 Micron Syringe Filter

Both sterile and non-sterile filters available, you can customize 1.2 micron syringe filter according to your practical usage. Our filter offers various applications, including sample cleaning, particle removal and sterile filtration.

5 Micron Syringe Filter
5 Micron Syringe Filter

Filson 5 micron syringe filter can be fabricated with different materials and the diameter can up to 50 mm. Having excellent chemical property, our filter is compatible with aggressive chemical solvents, HPLC sample and mobile phase.

10 Micron Syringe Filter
10 Micron Syringe Filter

Filson 10 micron syringe filter is non-sterile, and it can be autoclavable at 121℃ for 30 minutes to be used in critical industry. With uniform pore size design, our filter has high hold-up volume and maximum protein recovery of analysis.

20 Micron Syringe Filter
20 Micron Syringe Filter

Filson 20 micron syringe filter is best suitable for remove larger contamination and particles with high efficiency. With customized sizes, you can choose specific diameter, material or other chemical natures based on your unique application.

11 Products Found.

Syringe Filter Kinds by Diameter

4 Products Found.

Syringe Filter Outstanding Benefits

1. Huge Flow Rate
Huge Flow Rate

With uniform pore size and wide diameter design, Filson syringe filter has larger surface area and faster flow rate up to 1500 ml/min.

2. Excellent Chemical Compatibility
Excellent Chemical Compatibility

Filson syringe filter has excellent chemical resistance and inertness, and it is best suitable for aggressive corrosion, acid or organic solvents.

3. Standard Replacement Filters
Standard Replacement Filters

As a professional syringe filter with two decades years, Filson can fabricate standard replacement syringe filter of other brands, like Pall, Fisher, Vwr, Millipore, etc.

4. Quick and Reliable Delivery
Quick and Reliable Delivery

Since Filson has good partnership with DHL/UPS/TNT/Fedex or other air and shipping, we will choose economical transportation methods.

Syringe Filter Advantages

  • 01 micron rating to remove smaller particles effectively
  • Autoclavable at 121℃ or 134℃ for 15 – 30 minutes
  • Multiple hydrophobic and hydrophilic materials for different usages
  • Four membrane layers available to increase throughput and efficiency
  • Easy to install, operate and replace with a simple construction
  • Longer service life for a competitive overall cost
  • Various connector to obtain better sealing and stable filtration
  • 100% integrity test, ISO and CE certification
  • More reliable sample analysis with elaborate pore size design
1. Syringe Filter Advantages
2. Syringe Filter Features

Syringe Filter Features

  • Strong mechanical strength, high pressure resistance up to 14 bar
  • High temperature tolerance up to 280℃
  • Huge flow rate and throughput up to 1500 ml/min
  • Eminent process volume of 5000 ml
  • Superior filtration efficiency up to 99.99%
  • Minimum protein binding capacity, lower extractables
  • Excellent chemical compatibility to filter most chemical solvents
  • Outstanding acid resistance with pH value ranging from 1 to 14
  • Wider diameter up to 50mm for larger effective surface area

Why Choose Filson Syringe Filter

1. Autoclavable Syringe Filter
2. Syringe Filter Solvent Compatibility

Filson syringe filter has broad pore size ranging from 0.01 to 20 micron, and the effective surface area can reach 53.58 cm2. In addition, to meet your various needs, its process volume can reach as high as 5000 ml and the flow rate can reach 1500 ml/min.

Utilizing high-quality membrane materials, our syringe filter can operate normally under harsh environment, like high heat, high pressure, aggressive corrosion and organic solvents. Besides, our syringe filter is non-sterile, it can be sterilized by autoclaving at 121℃ or 134℃ or gamma irradiation.

As a professional syringe filter manufacturer in China, Filson has professional engineering team, the latest technology and advanced equipment. Therefore, we can not only manufacture high-quality syringe filter, but also provide standard replacement syringe filter of other brands, like Pall, Axiva, Whatman, etc.

1. Syringe Filter General Specifications
Syringe Filter General Specifications
  • Pore Size: 0.01 – 30 micron (typically 0.22 and 0.45 micron)
  • Operating Temperature: up to 280℃
  • Maximum Working Pressure: 14 bar
  • Common Diameter: 4mm, 13mm, 25mm, 33mm, 50mm
  • Sample Volume: 10 -150 mL
  • Hold-up Volume: up to 350µL
  • PH Range: 1 – 14
  • Minimum Bubble Point: 0.1 psi
  • Connection: luer lock, FLL, MLL, LS, steeped barb, NPTF, etc.
  • MOQ: 100 PCs
2. Syringe Filter Main Materials
Syringe Filter Main Materials

There are various materials for you choose to manufacture syringe filter:

  • Nylon
  • PVDF
  • PES
  • PTFE
  • Polycarbonate
  • Polypropylene
  • Glass
  • Activated carbon
  • Cellulose

Syringe Filter Applications


Due to the low protein-binding capacity, syringe filter is often used for the preparation and clarification of biological samples. In cell culture, it is able to sterile filter media, supplements and other solvents, to remove unwanted particles and prevent contamination.

Pharmaceutical industry
Pharmaceutical Industry

Having experienced rigorous sterilization procedures, Filson syringe filter is highly sterile and is the ideal filter for filtering medicinal products such as vaccines, antibiotics, etc. It ensures purity and effectiveness while maintaining sterility of the drugs.


In medicine, syringe filter is used for preparation of injectable medications, such as antibiotics, insulin, and other drugs. Through the purification of drugs, it has ample capacity to remove impurities, such as bacteria, particles, or endotoxins, before injection.

Chemical industry
Chemical Industry

Syringe filter has excellent chemical resistance to be used for filtration of solvents, reagents, and other chemicals to remove impurities. It can also be applied for sample preparation and analysis in various chemical applications, such as chromatography, spectroscopy, and titration.


With minimum pore size of 0.22 microns, Filson syringe filter can capture bacteria and mold in liquids, which is widely used to filter drinks such as wine, beer or juice, etc. It can also be used for sample preparation and analysis in the food industry.

Life science
Life Science

Syringe filter is very common in the life sciences field. For example, in microbiology, syringe filter is used for the sterilization of culture media, buffers, and other reagents. In molecular biology, syringe filter is used to prepare DNA and RNA samples for analysis.

Semiconductor manufacturing
Semiconductor Manufacturing

In semiconductor manufacturing, syringe filter is used for gas filtration to remove particles and other contaminants that could affect the quality of the final product. It can also be used for gas venting and filtration in various applications, including laboratory and industrial settings.

UHPLC HPLC LC-MS sample preparation
UHPLC/HPLC/LC-MS Sample Preparation

The purity of sample is very important for the high-performance liquid chromatography (HPLC) and liquid chromatography-mass spectrometry (LC-MS) analysis. Filson syringe filter captures more than 99.99% of impurities in sample, ensuring the accuracy of analysis results.

Laboratory filtration
Laboratory Filtration

The syringe filter has capacity of 10-150 ml, which is especially suitable for filtering small laboratory samples. It is often used for the clarification of samples before analysis, such as microscopy, spectroscopy or chromatography, etc.

Gas venting
Gas Venting

The PTFE and PVDF membranes of syringe filter have natural hydrophobicity and are ideal for gas filtration. It is widely used for gas emissions and filtration in laboratories and industry to remove particles and other contaminants from the airflow.

Filson Syringe Filter Manufacturer
Filson- Your Professional Syringe Filter Manufacturer in China

OEM manufacturer and customized services supplier. High-quality and high-efficiency syringe filter with an economical price.

Syringe Filter FAQ Guide

  1. What are Syringe Filter Made Of?1. What are Syringe Filter Made Of

Syringe filter is mainly made of various membrane. Based on different application, you can choose proper material like PTFE, PES, PVDF, nylon, glass fiber, polycarbonate or polypropylene to manufacture syringe filter.

  1. What is The Pore Size of Syringe Filter?2. What is The Pore Size of Syringe Filter

We can fabricate syringe filter with pore size ranging from 0.01 to 20 micron, and 0.22 and 0.45 micron are two most frequently used membrane pore size.

  1. What is CA Syringe Filter? 3. What is CA Syringe Filter

CA syringe filter is made of high-quality cellulose acetat membrane, and it features in hydrophilicity and low protein binding capacity. CA syringe filter has high flow rate, high heat resistance and low absorption, so it is best suitable for pressure filtration and laboratory filtration with improved purity.

  1. What is Hydrophobic Syringe Filter?4. What is Hydrophobic Syringe Filter

Since hydrophobic membrane can not let water or water-containing substances pass easily, hydrophobic syringe filter is better compatible with venting, air and gases filtration.

  1. What is A Luer Lock Syringe Filter Used For? 5. What is A Luer Lock Syringe Filter Used For

Luer lock syringe filter has suitable connector with female luer lock inlet and male luer slip outlet to twist needle in your filter. Therefore, it offers good sealing to ensure no liquids leakage.

Having excellent chemical compatibility and hydrophobicity, luer lock syringe filter is ideal for gas and chemical solvents filtration.

  1. Why is A Syringe Filter Required For HPLC Sample Preparation?6. Why is A Syringe Filter Required For HPLC Sample Preparation

There are two main purposes for using a syringe filter on HPLC sample:

One is to reduce particles and provide more reliable results.

Another is to protect your pump and other component form damage as well as extending longer service time.

  1. Can You Reuse Syringe Filters?7. Can You Reuse Syringe Filters

Generally, considering the filtration efficiency, flow rate and final results, we suggest not to reuse syringe filter to avoid cross-contamination. When reusing syringe filter, the accuracy of the sample results can not ensure.

However, if you need reusable syringe filter, PP membrane can satisfy your requirements.

  1. What is A Syringe Filter Used For?8. What is A Syringe Filter Used For

Syringe filter is mainly used to remove bacteria, virus and other particles in most liquids and gases. And syringe filter is best suitable for sample filtration to offer more reliable analysis in many fields, like HPLC, ion chromatography, LCMS, etc.

  1. How Do You Sterilize Syringe Filters?9. How Do You Sterilize Syringe Filters

Most syringe filter is non-sterile, and it can be sterilized and autoclavable through several methods:

  • Steam sterilization. Sterilize at 121℃ for 30 minutes.
  • Rinse in 75% ethanol solution.
  • Ethylene oxide gas sterilization.
  • Autoclave sterilization. Autoclavable at 121℃ or 134℃.
  1. Do Syringe Filters Expire?10. Do Syringe Filters Expire

Whether syringe filter expire or not depends on the storage condition. If syringe filter are  sealed in an unopened package or in an original controlled environments, it is probably still sterile for longer time.

Besides, the expiration date of syringe filter is only applied to filter sterility, while it has no influence on filter’s performance. And its filtration ability will not loss immediately after expiration.

Meanwhile, if syringe filter is used in clinical industry, you must pay more attention to the expiration date.

  1. How to Use Syringe Filter?11. How to Use Syringe Filter

There are several steps for you to use PTFE syringe filter:

  • Firstly, load sample into PTFE syringe filter.
  • Secondly, fix the syringe filter by twisting. You should twist connectors(commonly luer lock) properly, not too loose or too tight.
  • Thirdly, keep syringe filter vertical in order to wet PTFE membrane. If possible, discard the first 0.25ml of sample to avoid pollution.
  • Next, push syringe filter and let sample flow through filter.
  • Finally, change filter and repeat theses steps again.
  1. How to Choose A Membrane Syringe Filter?12. How to Choose A Membrane Syringe Filter

There are several steps to choose a proper membrane syringe filter:

  • Determine whether require pre-filtration.
  • Decide the diameter of syringe filter according to sample volume.
  • Decide syringe filter pore size.
  • Choose proper membrane material based on the chemical property of sample property.
  1. Do Syringe Filters Remove Bacteria?13. Do Syringe Filters Remove Bacteria

The common size of bacteria is between 0.5 and 5 micron, and syringe with absolute pore size of 0.2micron and 0.22 micron can remove most bacteria. As for larger or smaller bacteria, customized sizes is available to meet your needs.

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