Best Lab Filtering Funnels of 2026

Brian Howie Avatar
Brian Howie
Last Updated: Jan 7, 2026

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Lab Filtering Funnels are essential tools used in various laboratory settings for separating solids from liquids. These specially designed funnels feature a porous filter medium, typically made of glass or porcelain, which allows liquids to pass through while retaining solid particles. With their wide range of sizes and capacities, lab filtering funnels can accommodate different volumes of samples, making them versatile and efficient for numerous applications. Whether it's in chemistry, biology, or environmental science, these funnels provide researchers and scientists with a reliable method for separating substances and obtaining high-quality results.

At a Glance: Our Top Picks

EISCO 3.6" Filter Funnel Cover #TOP 1
EISCO 3.6" Filter Funnel
ftb score rating icon 9.9
EISCO 10PK 3" Filter Funnels Cover #TOP 2
EISCO 10PK 3" Filter Funnels
ftb score rating icon 9.8
Gnellkoor Stainless Steel Resin Funnel Cover #TOP 3
Gnellkoor Stainless Steel Resin Funnel
ftb score rating icon 9.6

Top 10 Lab Filtering Funnels

#TOP 1

EISCO 3.6" Filter Funnel

CH0454D
Transparent
EISCO 3.6" Filter Funnel Cover
EISCO Filter Funnel, 3.6" - Polyethylene Plastic - Resistant to Acids & Alkalis - Great for Laboratory, Classroom or Home Use

The EISCO Filter Funnel is a versatile tool designed for both professional and home use. Measuring 3.6 inches wide, it helps you easily separate solids from liquids, making your tasks more efficient. The funnel's industrial-grade polyethylene plastic is resistant to acids and alkalis, ensuring durability during various applications. With a 3.2-inch stem, it allows for smooth liquid transfers into narrow containers, reducing spills and messes. Whether you're in a lab, classroom, or workshop, this funnel will simplify your filtering tasks and enhance your overall experience.

What We Like
Durable polyethylene material
Wide 3.6-inch diameter
Resistant to acids and alkalis
Ideal for narrow containers
#TOP 2

EISCO 10PK 3" Filter Funnels

CH0454C10
Transparent
EISCO 10PK 3" Filter Funnels Cover
EISCO 10PK Filter Funnels, 3" - Polyethylene Plastic - Resistant to Acids & Alkalis - Great for Laboratory, Classroom or Home Use

The EISCO Filter Funnels come in a convenient pack of ten, each with a 3-inch diameter, making them perfect for separating solids from liquids. You’ll appreciate their industrial-grade polyethylene construction, which is resistant to both acids and alkalis, ensuring durability and safety during use. With a 3-inch stem, these funnels are designed for easy pouring into narrow containers, reducing spills and messes. Ideal for laboratories, classrooms, and home workshops, these funnels provide versatility and reliability for all your filtering needs.

What We Like
Durable polyethylene construction
Acid and alkali resistant
Convenient 3-inch size
Pack of ten funnels
#TOP 3

Gnellkoor Stainless Steel Resin Funnel

JO-3DPSSF
Silver
Gnellkoor Stainless Steel Resin Funnel Cover
Resin Funnel, Resin Filter Funnel with Strainer 3D Printer Stainless Steel Resin Funnel for Filtering and Recycling UV SLA/DLP/LCD Photosensitive Resin, with Cleaning Brush

The Gnellkoor Resin Funnel is designed to make the filtering process of resin quick and efficient. Its built-in strainer effectively removes impurities from your printing resin, allowing you to recycle it for future use. Made from durable 304 stainless steel, this funnel is not only strong but also resistant to corrosion, ensuring longevity. Cleaning is a breeze; simply wipe it down and wash with alcohol or soap, saving you time and effort. Remember to wear gloves during use to keep your hands safe from resin contact. This funnel is versatile, making it useful for both work and everyday tasks.

What We Like
Effective filtration of resin
Durable stainless steel material
Easy to clean
Versatile for various uses
#TOP 4

StonyLab Borosilicate Glass Buchner Filtering Funnel G3 94mm

B07819T726
500mL
500 mL
StonyLab Borosilicate Glass Buchner Filtering Funnel G3 94mm Cover
StonyLab Borosilicate Glass Buchner Filtering Funnel with Fine Frit(G3), 94mm Inner Diameter, 100mm Depth, with 24/40 Standard Taper Inner Joint and Vacuum Serrated Tubulation, 500ml

The StonyLab Buchner Filter Funnel is designed to help you filter chemicals that regular filter paper or diaphragms can't handle. This makes it perfect for tasks in chemical analysis, petroleum, and pharmaceutical industries, where precision matters. Its G3 frit has a fine pore size of 15 to 40 microns, ensuring efficient filtering and compatibility with 94mm filter paper circles. You can easily connect it to hoses with a 3.15-inch inner diameter thanks to its hose fittings. This funnel also fits well with other lab equipment like filter Erlenmeyer flasks and adapters, giving you flexibility in your lab setup.

What We Like
Fine G3 pore size
Compatible with 94mm filter papers
Fits standard lab equipment
Hose fittings for easy connection
#TOP 5

QWORK Borosilicate Glass Filter Funnel 24/40

WD30932
Transparent
QWORK Borosilicate Glass Filter Funnel 24/40 Cover
QWORK Borosilicate Glass Filter Funnel, 24/40 Standard Inner Joint, 2.95" (75mm) Top O.D Smooth Flow Durable Glass Funnel for Lab, 0.94" (24mm) Plug Specification

The QWORK Glass Filter Funnel is crafted from borosilicate glass, making it strong and able to handle high temperatures without breaking. This means you can reuse it many times for your lab work without worry. Its design ensures liquids flow smoothly and quickly through the funnel, helping you filter substances efficiently. The funnel’s 75mm top size and 24/40 inner joint fit snugly with other lab tools, giving you a secure connection and preventing spills. Plus, the funnel’s dimensions are carefully made to provide a perfect fit, making your filtration process easier and more reliable.

What We Like
Durable borosilicate glass
Smooth, fast filtration
Secure lab equipment fit
Reusable and heat resistant
#TOP 6

QWORK 500ml Borosilicate Glass Buchner Funnel with Medium Frit

QS16550
transparent
QWORK 500ml Borosilicate Glass Buchner Funnel with Medium Frit Cover
QWORK 500ml Borosilicate Glass Buchner Filtering Funnel with Medium Frit (G2) - 24/40 Standard Taper Inner Joint & 100 Pcs 93mm Filter Paper

The QWORK Borosilicate Buchner Funnel is made from durable borosilicate glass, which means it can handle high temperatures and resist damage during use. Its medium frit disc, with pores sized between 40 to 80 microns, allows you to filter substances that regular filter paper can't handle, making your filtering process more effective. This funnel fits well with Filter Erlenmeyer Flasks and Filter Adapter Cones, giving you flexibility in your lab setup. Plus, it works with standard 93mm filter paper, so you won’t have trouble finding compatible supplies. This product is ideal for tasks in chemical analysis and industries like petroleum and pharmaceuticals.

What We Like
Durable borosilicate glass
Medium frit for fine filtration
Compatible with common lab equipment
Fits standard 93mm filter paper
#TOP 7

Labasics Borosilicate Glass Buchner Funnel 500ml

LB-BuchnerFilter-Medium-Vac-Glass-500ml
500ml
500 ml
Labasics Borosilicate Glass Buchner Funnel 500ml Cover
Labasics Borosilicate Glass Buchner Filtering Funnel 500ml with Medium Frit (G2), 95mm Inner Diameter, 120mm Depth, with 24/40 Standard Taper Inner Joint and Vacuum Serrated Tubulation (500ml)

The Labasics Glass Buchner Funnel offers a 500ml capacity, making it ideal for filtering moderate sample volumes efficiently. Its medium frit with a pore size of 40 to 80 microns helps you achieve effective filtration by trapping fine particles while allowing liquids to pass through smoothly. The funnel features a 24/40 standard taper joint, ensuring a secure fit with compatible equipment and easy setup. Additionally, it can withstand temperatures up to 250°C, so you can use it safely in various laboratory processes without worrying about heat damage. This makes the Labasics Glass Buchner Funnel a reliable tool for your filtering needs.

What We Like
Medium pore size frit
500ml capacity
24/40 standard taper joint
Heat resistant up to 250°C
#TOP 8

StonyLab Borosilicate Glass Buchner Funnel G3 76mm

B07819M6PZ
250mL
250 mL
StonyLab Borosilicate Glass Buchner Funnel G3 76mm Cover
StonyLab Borosilicate Glass Buchner Filtering Funnel with Fine Frit(G3), 76mm Inner-Diameter, 80mm Depth (250ml)

The StonyLab Glass Buchner Funnel is designed to filter chemicals that regular filter paper cannot handle, making it perfect for tasks in chemical analysis, pharmaceuticals, and the petroleum industry. Its fine frit with a pore size between 15 and 40 microns ensures efficient filtering, giving you reliable results. The funnel fits well with StonyLab’s 75mm filter paper circles, providing convenience and compatibility. Made from high-quality borosilicate glass, it can withstand temperatures up to 200°C, offering durability for your lab work. This funnel is a practical choice for precise and tough filtering needs.

What We Like
Chemical-resistant filtering
Fine pore size for precise filtering
Compatible with standard filter papers
Durable borosilicate glass
#TOP 9

stonylab Borosilicate Glass Triangular Filtration Funnel

75 mm
Transparent
stonylab Borosilicate Glass Triangular Filtration Funnel Cover
stonylab Borosilicate Glass Triangular Filtration Funnel, Vacuum Filtration, Efficient Filtering, 14/20 Joint, 75mm Diameter, Ideal for Laboratory Filtration Processes

The stonylab Glass Filtration Funnel is designed to make your lab filtration tasks easier and more efficient. Its vacuum filtration capability helps you quickly separate solids from liquids by creating a depressurized environment. The funnel’s 75mm top opening and standard 14/20 base, plus an 8mm hose connector, fit well with most lab equipment, giving you flexibility in setup. Thanks to the precision laser-drilled holes, the filtration is even and reliable, ensuring consistent results. Plus, the durable borosilicate glass can handle acids, alkalis, and high temperatures, so you can reuse it safely for many experiments.

What We Like
Efficient vacuum filtration
Standard lab compatibility
Even filtration holes
Durable borosilicate glass
#TOP 10

EISCO 2.6" Filter Funnel

CH0454B
Transparent
EISCO 2.6" Filter Funnel Cover
EISCO Filter Funnel, 2.6" - Polyethylene Plastic - Resistant to Acids & Alkalis - Great for Laboratory, Classroom or Home Use

The EISCO Filter Funnel is a versatile tool designed to help you separate solids from liquids with ease. With a 2.6-inch diameter, it allows for smooth transfers into narrow containers, making your tasks more efficient. Constructed from durable polyethylene plastic, this funnel is resistant to both acids and alkalis, ensuring it can handle various substances safely. The 2.5-inch stem is perfectly sized for convenient pouring, making it a reliable choice for professional laboratories, classrooms, and even home use. Whether you're conducting experiments or performing everyday tasks, this funnel simplifies your work.

What We Like
Durable polyethylene material
Acid and alkali resistant
Easy liquid transfer
Versatile for multiple settings
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the use of filter funnel in laboratory?

A filter funnel is used in the laboratory for the process of filtering, which separates solids from liquids. It typically involves placing a cone-shaped piece of filter paper within the funnel and pouring a suspension of solid and liquid through it.

2. What are the different types of funnels in the laboratory?

There are various types of funnels used in the laboratory. Powder funnels have a wide neck for fast pouring of powders. Separatory funnels, on the other hand, are pear-shaped with a cap, short neck, and stopcock. They are specifically designed for decanting two immiscible fluids.

3. What are 2 uses of funnel in laboratory?

Funnels in the laboratory serve multiple purposes. They are used to channel liquids or fine-grained substances into containers with small openings. Funnels are also utilized for pouring liquids or powder through a small opening and for holding filter paper during the filtration process.

Editor's Notes

During our lab filtering funnel research, we found 24 lab filtering funnel products and shortlisted 10 quality products. We collected and analyzed 5,217 customer reviews through our big data system to write the lab filtering funnels list. We found that most customers choose lab filtering funnels with an average price of $25.80.

The lab filtering funnels are available for purchase. We have researched hundreds of brands and picked the top brands of lab filtering funnels, including EISCO, Gnellkoor, stonylab, QWORK, Labasics. The seller of top 1 product has received honest feedback from 512 consumers with an average rating of 4.8.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.