Best Lab Addition Funnels of 2026

The StonyLab Addition Funnel is an essential tool for your laboratory experiments. It features a pressure equalizing design that allows you to conduct closed system experiments efficiently. This means you can drop solutions directly into your reaction vessel while preventing air exposure and reducing solvent evaporation. Made from durable borosilicate glass, it holds up to 50 ml and includes clear graduation marks for easy measurement. The cylindrical shape and PTFE stopcock provide smooth operation, making it convenient for precise addition of liquids during your experiments.

The Labasics Addition Funnel is designed with borosilicate glass, which can withstand high temperatures up to 250°C. This makes it ideal for various laboratory applications where heat resistance is essential. It features a 24/40 joint at both the top and bottom, ensuring a secure fit with other lab equipment. With a capacity of 100 ml, this funnel is perfect for precise liquid transfers. The cylindrical design includes a PTFE stopcock, allowing for easy control of fluid flow and reducing spills. This combination of features enhances your efficiency and safety in the lab.

The stonylab Pressure Equalizing Funnel is designed to make your lab work easier and more efficient. It helps you add solutions slowly and precisely to a reaction vessel while keeping air out, which prevents your solvents from evaporating and speeds up your experiments. Made from durable borosilicate glass, this funnel withstands pressure and chemical reactions, so it’s perfect for regular lab use. Thanks to the PTFE stopcock and pressure equalizing tube, you can control how fast your reagents flow, giving you smooth and accurate additions every time. Plus, it fits well with common lab glassware, making it a convenient choice for your setup.

The StonyLab 100ml Funnel is an essential tool for your laboratory experiments. Its pressure equalizing feature is particularly useful for closed system experiments, allowing you to safely drip solutions without exposure to air. This helps prevent solvent evaporation, ensuring more accurate results. With a 24/40 joint at both ends, it easily connects to your reaction vessel. The included PTFE stopcock offers precise control over the flow of liquids, making your experiments smoother and more efficient. StonyLab prioritizes quality and customer satisfaction, promising assistance if you receive a damaged product.

The StonyLab Addition Funnel is a versatile laboratory tool that is commonly used in closed system experiments and experiments that require dripping solutions. With its 500 ml capacity and borosilicate glass construction, it is a reliable choice for various applications. The 24/40 joint top and bottom ensure secure connections, while the cylindrical style and PTFE stopcock provide ease of use. The pressure equalizing feature allows for the isolation of air and prevents solvent volatilization, making it ideal for speeding up the experiment process. StonyLab guarantees high-quality products and exceptional customer service, ensuring satisfaction for all users.

The StonyLab Pressure Equalizing Funnel is designed for efficient liquid transfer in laboratory settings. Made from durable borosilicate glass, it allows you to add reagents slowly and precisely, making your experiments more controlled. The PTFE stopcock enhances your ability to regulate the flow, which is especially useful when working with sensitive materials. With a 24/40 standard joint at both ends, it connects seamlessly with other lab instruments, providing versatility. The funnel has a capacity of 100 ml and features a clear scale for accurate measurements, ensuring reliable results every time.

The StonyLab 500ml Pressure Equalizing Addition Funnel is a versatile laboratory tool designed for general closed system experiments and experiments that require dripping solutions. With its 24/40 joint top and bottom, it can easily connect to a reaction vessel to drop solutions. The funnel's cylindrical style and PTFE stopcock allow for precise control of the solution flow. One of the key benefits of this funnel is its ability to isolate air and prevent solvent from volatilizing, ensuring accurate and reliable results. Additionally, it speeds up the experiment process, making it ideal for time-sensitive experiments. StonyLab guarantees the quality of their product and provides excellent customer service, ensuring customer satisfaction.

The Labasics Teflon Dropping Funnel is designed to make liquid handling easier and more precise in your lab work. Its 500 ml size gives you plenty of space to work with solutions, whether you’re extracting, separating, or adding liquids. The wide top opening lets you pour liquids in effortlessly without spills. At the bottom, the PTFE stopcock rotates smoothly, allowing you to control the flow exactly as needed. Made from strong, clear high borosilicate glass, it resists chemical damage and lets you see your liquids clearly, giving you confidence and safety in your experiments.

The Autoark Pressure Funnel is a high-quality borosilicate glass funnel designed for laboratory use. Its 500ml capacity makes it suitable for a variety of applications. The 24/40 joint top and bottom allow for pressure equalization, ensuring accurate and consistent results. The cylindrical style with a PTFE stopcock provides easy control and precise measurements. Made of strong and durable glass, this funnel is resistant to corrosion, making it a reliable choice for long-term use. With Autoark's commitment to high-quality laboratory supplies and exceptional customer service, you can trust the Autoark Pressure Funnel to meet your laboratory needs.

The Labasics Addition Funnel is a reliable tool designed for precise liquid transfer in your lab work. Made from tough borosilicate glass, it promises durability and long-term use, so you won’t need frequent replacements. Its cylindrical design paired with a PTFE stopcock lets you control the flow of liquids carefully, which is great for adding reagents slowly and accurately. With 24/40 standard joints on both ends, this funnel easily connects with other lab equipment, ensuring a secure fit. Plus, its 100 ml capacity comes with clear measurement marks, helping you handle liquids with confidence and accuracy.