Best Lab Addition Funnels of 2025

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 QWORK Equalizing Funnel is designed for precise liquid measurements in laboratory settings. With its 500ml capacity and clear scale, you can easily read and add the exact amount of liquid needed for your experiments. The funnel features a pressure equalizing arm that allows for a steady and controlled addition of liquids, making it perfect for air-sensitive reagents. Made from durable borosilicate glass, it withstands high and low temperatures while offering stability and reusability. This funnel is an essential tool for anyone looking to enhance accuracy and efficiency in their lab work.

The EISCO Dropping Funnel is crafted from high-quality borosilicate glass, ensuring durability and resistance to thermal shock. Its open top design makes it easy for you to add liquids without hassle. The PTFE key stopcock allows for precise control of the flow, giving you the ability to dispense the exact amount needed for your experiments. With a generous 500ml capacity, this funnel is perfect for both scientific and home laboratory use, providing convenience and efficiency in your work.

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 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 Pressure Equalizing Funnel is an essential tool for your laboratory experiments. It allows you to safely drip liquids without the risk of back-siphoning, which helps maintain the integrity of your system. With its standard 24/40 joints at both ends, this funnel easily connects with other lab equipment, making your setup hassle-free. The cylindrical design features a fully sealed vacuum valve, ensuring precise control over your liquid additions. Made from durable borosilicate glass, it has a 100 ml capacity and includes a clear scale for accurate measurements, making it both reliable and reusable for your needs.

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 EISCO Dropping Funnel is designed for precision in any laboratory setting. Made from durable borosilicate glass, it ensures high-quality performance while withstanding temperature changes. The open top allows for easy filling and access, making it convenient for various experiments. With a 1000ml capacity, you can handle larger volumes of liquids without constantly refilling. The PTFE key stopcock provides reliable control over the flow, giving you the ability to dispense liquids accurately and safely. This funnel is a perfect addition to both science and home laboratories.

The EISCO Dropping Funnel is made from high-quality borosilicate glass, ensuring durability and resistance to thermal shock. Its open-top and cylindrical design allows for easy filling and pouring, making it user-friendly for various lab applications. With a 250 ml capacity and a PTFE key stopcock, you can precisely control the flow of liquids, which is essential for accurate fluid transfers. Measuring 2.13 inches in diameter and 13 inches in length, this funnel is designed for convenience and efficiency in the lab.

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.