Filson: Professional Glass Filter Funnel Manufacturer

Filson is committed to offering unwavering reliability and salient performance glass filter funnel for our customers.

  • Superior resistance to aggressive, heat and breakage
  • Washable and autoclavable realize longer service life
  • Low protein binding and extractables keep sample purity
  • Rich types to better fit wide range of application needs
  • On-time and reliable delivery guarantee

What is Glass Filter Funnel?

Filson glass filter funnel is mainly divided into two parts, Buchner and Hirsch funnels, which include a glass cylinder, funnel. The bottom of the glass filter funnel contains sintered glass filter, which is workable in harsh conditions that filter paper or membranes cannot withstand.

Filson glass filter funnel is made of virgin glass or borosilicate glass, achieving premium resistance to corrosion and heat, and compared to plastic, stainless steel and porcelain materials, it is cost-effective and durable.

Due to its inertness, Filson glass filter funnel is an ideal choice in wide range of applications in laboratory, chemistry and science. From materials to pore size to capacity, it can be manufactured based on requirements.

Glass Filter Funnel Categories

Hirsch Funnel Frit

Filson Hirsch funnel frit, a smaller than glass Buchner funnel, is widely used in chemistry, science and laboratory. With different porosities, it can filter different substances at effective speed without losing retention time.

Glass Buchner Funnel

With thick and uniform wall, Filson glass Buchner funnel can feature with huge funnel capacity up to 1000 ml, which highly increase its filter speed. Therefore, it is an ideal choice for chemical analysis, pharmaceutical industry, etc.

Borosilicate Glass Funnel

By utilizing the highest borosilicate glass, Filson borosilicate glass funnel has excellent resistance to most chemicals, like solvents, acids, alkali. Compare to other materials, such as plastic, porcelain, it is economic and durable to cut down maintain costs.

Glass Filter Funnel Types by Applications (3)

  • Laboratory Filter Funnel
    Filson filter funnel is free from corrosion attack and most heat shock, with sterile manufacturing conditions, it is a popular solution for laboratory field. What’s more, it is available for various size and dimensions to meet different needs.
  • Filter Funnel Chemistry
    Due to its robust structure, high cleanliness, sterility and stable performance, Filson filter funnel plays an important role in chemistry, such as sterile filtration, separation and purification of liquid.
  • Because of its accuracy pore size grades ranging from 0 to 5, Filson filter funnel can also applied in science field, such as liquid filtration, microbiology, etc. Thanks to its inert to most chemicals, it can withstand difficult situations.

Glass Filter Funnel Types by Pore Size (3)

  • 1 micron Filter Funnel
    With as small as 1 micron filter funnel, Filson 1 micron filter funnel is able to filter out most substances. Also, it has robust structure and excellent resistance to most corrosion and solvents reaction, so it can perform well in harsh liquids.
  • 5 micron Funnel Filter
    Filson 5 micron funnel filter is manufactured by virgin and quality borosilicate glass, hence it enjoys remarkable mechanical strength and chemical resistance. With precise machining and accuracy pore size, it can meet most requirements in laboratory.
  • 10 micron Filter Funnel
    Compared to other pore size filter funnel, Filson 10 micron filter funnel delivers faster filter efficiency with uniform and smooth pore, which not only shorten your operation time but also saves your maintain costs by its reliable quality.

Glass Filter Funnel Types by Filter Funnel Size (3)

  • 30mm Filter Funnel
    As a small laboratory tool, Filson 30 mm filter funnel can filter small volumes of liquid, which enables precise filter process. It can combine with fine pore size to realize more sophisticated process.
  • 60 mm Filter Funnel
    Thanks to its durable and sturdy construction, Filson 60 mm filter funnel can last for longer service time and reduce replacement intervals. In addition, it is washable and autoclavable to achieve sterile and high cleanliness.
  • Filson 75mm filter funnel is usually used to filter large volume of liquid, which to shorten operation time and increase application efficiency. What’s more, with outstanding resistance to corrosion and quality materials, it is able to optimal your applications.

Filson Glass Filter Funnel Benefits


Made of 100% top-grade glass, Filson glass filter funnel is endowed with outstanding resistance to most aggressive solvents and heat.

Multiple Types

The funnel capacity of Filson glass filter funnel is available for 60 ml to 1000 ml, which can fit your different requirements.


Filson glass filter funnel is manufactured under sterile situations, hence our product is free from all foreign contaminants.

Sturdy Structure

Filson glass filter funnel features with robust structure, thick and uniform walls to increase its durability and prolong its service life.

Main Features of Glass Filter Funnel

  • Robust and thick body construction prevents breakage
  • Achieving fast and easy filtering process with smooth inner wall
  • Greatly increase filter effectiveness and long time sustainability
  • Sterile and chemically clean ensures no cross contamination
  • Realizable longer replacement intervals by durable materials
  • Comprehensive types to fit wide range of applications
  • Light weight for easy handle and operation
  • Fast transportation ways including FedEx/TNT/DHL

Glass Filter Funnel General Specifications

  • Material: glass, borosilicate glass
  • Capacity: 60 ml, 100 ml, 250 ml, 500 ml, 1000 ml, etc
  • Funnel Size: 13 mm, 25 mm, 47 mm, etc
  • Filter Paper: 10 mm – 55 mm
  • Pore Size: 1 mm – 10 mm, etc
  • Porosity: G1 (80 – 120 micron), G2 (40 – 80 micron), G3 (15 – 40 micron), etc
  • Top O.D x Height: 30 x 50 mm, 40 x 70 mm, 50 x 75 mm, 75 x 130 mm, 100 x 175 mm, etc
  • MOQ: 50

Why Choose Filson Glass Filter Funnel

Filson glass filter funnel is manufactured by premium sturdy borosilicate glass, hence it is featured with excellent mechanical strength and chemical resistant, which allow our product suitable for most laboratory applications.

In line with strict quality-control standards, Filson glass filter funnel is sturdy, durable and autoclavable to resist breaking, hence our product is able to shorten replacement intervals. And as an indispensable tool, it is light weight for you handle and transport easily.

All Filson glass filter funnel is manufactured and designed with top-grade raw materials by our laboratory professionals and experienced staffs, hence we promise our product has high quality according to international standards.

If you want customized service or more information about Filson glass filter funnel , please give us a call at +86-157 3695 8886 or send us an email at Filson will never let you down and meet your unique requirements.

  • Millipore glass filter funnel
  • Pall filter funnel
  • Pyrex filter funnel
  • Whatman filter funnel
  • Sterile filtration
  • Separation and purification of drugs
  • Clarification of liquids
  • Waste-water treatment
  • Microbiology
  • Chemical analysis
  • Petroleum industry
  • Pharmaceutical industry
Filson- Design for Laboratory Applications Only

We only providing high-quality customized laboratory product with competitive price, as well as comprehensive portfolio to support different requirements.

Glass Filter Funnel FAQ Guide

What is a Filter Funnel Used for?

What is a Filter Funnel Used for

Filson glass filter funnel is used in laboratory, chemistry and science for vacuum-assisted liquid filtering. For example, it can remove moisture to collect recrystallized compounds.

What is a filter funnel used for in science?

What is a filter funnel used for in science

Filter funnel is usually used to transport liquid or fine-grained materials to containers with small opening. Without a filter funnel, it may causes much spillage and waste. Because it can separate solids from liquid, filter funnel is a popular solution for science field.

How to Clean Glass Filter Funnel?

Clean glass filter funnel has several steps. They are:

  • Remove all residues on filter funnel
  • Scrub remaining residue with soft brush and gentle approach.
  • Appropriate solvents are required for some situations
  • Use distilled water or dilute ammonium hydroxide to rinse thoroughly
  • Dry in natural air or in a dry oven with temperatures under 100°C

Caution: Wear proper personal protective equipment, such as goggle, lab coat, etc; choose the right solvent based on the contamination.

What is the Difference between Filter Funnel and Separating Funnel?

What is the Difference between Filter Funnel and Separating Funnel

As the name suggests, filter funnel is used to separate solid particles from liquid, while separating funnel to separate immiscible liquids.

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