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The Best Lab Long Stem Funnels

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Accurate measurements and controlled transfers are crucial in many scientific endeavors, especially when teaching young minds. For budding scientists and curious kids, the right equipment can make all the difference in fostering a positive learning experience. Investing in a quality lab funnel designed for educational use ensures safety, ease of use, and effective experimentation.

Looking for the best Lab Long Stem Funnels?

Discover now our comparison of the best Lab Long Stem Funnels. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Lab Long Stem Funnels are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Lab Long Stem Funnels in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
OUNONA Transparent Long Neck Glass Funnel 8.85 Inch Safety Lab Funnel for Chemical Transfer and Scientific...
  • Core Precision Design: This Transparent Funnel features a long stem measuring 8.85 inches to enable precise and controlled liquid transfer, ideal for filling small bottles or containers with minimal spills during scientific or school experiments
  • Durable Chemical Resistance: Made from glassware with high resistance to chemical corrosion and thermal shocks, this scientific long funnel maintains integrity and performance when handling various reagents or extracts in lab and industrial settings
  • Clear Visibility for Accurate Filling: the transparent glass construction allows users to easily monitor the liquid flow through the funnel, reducing errors and spills when transferring essential oils, extracts, or other small volume liquids
  • Versatile Application Scenarios: Suitable for transferring small amounts of liquids such as essences, extracts, and laboratory reagents, this filling funnel supports educational, scientific, and industrial uses requiring precise liquid handling
  • Easy Maintenance and Reuse: the glass funnel can be cleaned effectively with warm water by hand washing, preserving its chemical resistance and clarity to ensure hygienic reuse in school labs or scientific environments
No. 2
ULAB Scientific Glass Funnel 100mm, Stem Diameter 13mm, 3.3 Borosilicate Glass, Heavy Wall, Pack of 1, UGF1002
  • Discover Precision: ULAB Glass Funnel, with a 3.74in inner diameter and 6.97in length, brings accuracy to your lab work for efficient and exact bottle filling.
  • Quality Craftsmanship: Crafted from high-quality glass, this funnel ensures durability and chemical resistance, making it an ideal choice for various laboratory tasks.
  • Versatile Application: Whether you're working on a chemistry experiment or handling delicate liquids, our glass funnel is an essential tool in any lab setting.
  • Easy Handling: The 6.97in length with a 4in neck provides a comfortable grip while maintaining a steady flow. Its design minimizes spills and allows for controlled pouring.
  • Lab Essential: From chemistry enthusiasts to professionals, our glass funnel is a must-have for accurate and controlled liquid transfers. Elevate your lab experience with ULAB.
No. 3
stonylab Thistle Funnel, Heavy Wall Borosilicate Glass Funnel with 250 mm Long Stem for Lab Use
  • Precise Liquid Addition: mainly used to add liquids during solid-liquid reactions in conical flasks
  • Long Stem Design: consists of a long tube and a wide-mouth funnel; 250 mm stem allows for controlled, slow liquid flow into containers
  • Premium Glass: made from borosilicate glass, offering high transparency and chemical resistance
  • Easy to Clean: ensure thorough cleaning after use to prevent residue from affecting future experiments
  • 1-year coverage period for your peace of mind, if received damaged, please let us know and we will solve it promptly
No. 5
Corning 6160-75 Pyrex Angled Flute Funnel with Long Stem, 75 mm (Pack of 1)
  • Package Dimensions: 17.32 L x 7.48 H x 9.06 W (inches)
  • Package Weight : 3.19 pounds
  • Country of Origin : United States
  • Part number: 6160-75
No. 6
Young4us Plastic Funnel Set, 3 Pcs Lab PP Funnels, 100mm x 2, 75mm x 2, 50mm x 2 (Pack of 3)
  • GREAT LAB TOOLS: Made of High-quality Plastic, these Funnels have High chemical durability and low thermal expansion
  • DURABLE & USABLE: Reusable, environmental friendly, will not shatter, easy to clean, perfect for laboratory, kitchen, science experiment, liquid or powder, etc
  • 3 DIFFERENT SIZES: Our Plastic Funnels come in 3 different sizes: 100mm, 75mm , 50mm
  • VARIOUS & PERFECT DESIGN: Not only with different sizes, they also have round edges and smooth surface, which will not harm your hands in doing an experiment
  • SAFE GUARANTEE: If you receive defective items, please let us know via email to get replacement items
No. 7
75mm Glass Funnel, Short Stem, Borosilicate Glass, Heavy Wall, Karter Scientific 213V8 (Single)
  • Diameter (mm) 75
  • Material: Heavy Wall, Borosilicate glass
  • Stem Length: 75mm
  • Funnels have a high resistance to chemical attack, and mechanical and thermal shock
  • In compliance with th ISO 4798 Standard
No. 8
EISCO Powder Funnel, 6" (150mm) Diameter - Polypropylene Plastic - Parallel Stem - Resistant to Acids...
  • NO-SPILL TRANSFER || Useful for transferring powdered or liquid reagents
  • INDUSTRIAL QUALITY || Made of heat tolerant and chemical resistant polypropylene plastic
  • PARALLEL STEM || Parallel stem minimizes bridging of powder
  • GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Designed for use in professional laboratories, but is an ideal choice for science classrooms, households, workshops & garages
  • DIMENSIONS || Top diameter 150mm (6 inches), total length 135mm (5.3 inches), stem length 31mm (1.2 inches), stem outer diameter 27mm (1.1 inches)
No. 9
StonyLab 2-Pack Glass Heavy Wall Funnel Borosilicate Glass Funnel, Short Stem 50mm Diameter, 50mm Stem Length
  • Made of borosilicate glass; maximum withstand temperature 200°C
  • Diameter: 50mm
  • Stem Length: 50mm
  • Package includes: 2-Pack StonyLab borosilicate glass funnels
  • StonyLab ensures premium products and premium customer service; if received damaged, please contact us immediately; we will solve it until satisfied

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Last update on 2026-03-20 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Lab Long Stem Funnels

Material Quality

When selecting a lab funnel for educational purposes, prioritize durable, non-reactive materials like glass or high-quality plastic. Glass offers excellent chemical resistance and clarity, allowing observation of fluid flow. However, for younger children or environments where breakage is a concern, robust, BPA-free plastics are a safer and more economical choice. Ensure the material is easy to clean and won't degrade with common lab substances.

Frequently Asked Questions

What is a long stem funnel used for in a lab setting?
A long stem funnel is primarily used for transferring liquids or fine-grained solids into containers with narrow openings. The extended stem helps to prevent splashing and ensures a more controlled pour, minimizing spills and waste. It's particularly useful for adding reagents to flasks or separating solids from liquids during filtration.
Are glass funnels safe for children?
Glass funnels can be used by children under strict adult supervision. However, due to the risk of breakage, high-quality, shatter-resistant plastic funnels are often a safer alternative for younger or less experienced users. Always ensure a safe working environment when using any glassware.
How do I clean a lab funnel?
Cleaning instructions vary slightly depending on the material. For glass, hot soapy water followed by a rinse with distilled water is usually sufficient. For plastic, mild detergents and warm water are recommended, avoiding abrasive cleaners that could scratch the surface. Ensure the funnel is completely dry before storage.
What size funnel is best for kids' science experiments?
For general kids' science experiments, a medium-sized funnel with a stem length of 4-6 inches is typically versatile. This size is manageable for small hands and suitable for transferring common liquids and solids used in basic experiments. Avoid overly large or small funnels that might be difficult to handle or less effective.