Pressure Equalizing Dropping Funnel, 50 to 2000ml, PTFE/Glass Stopcock

This pressure-equalizing dropping funnel is made from high-quality Borosilicate glass 3.3 and is designed for the controlled addition of liquids under consistent internal pressure. It features a pressure equalizing tube to maintain atmospheric balance during transfer, making it ideal for sensitive chemical reactions.

Available in sizes from 50 ml to 2000 ml, each funnel is equipped with a graduated scale, a glass or PTFE stopcock, and a standard ground glass joint.

Key Features:

• With integrated pressure equalizing tube for safe liquid transfer

• Made from chemical-resistant Borosilicate glass 3.3

• Clear graduation marks for precise volume control

• Stopcock options: PTFE or Glass

• Ideal for use in reflux setups, addition reactions, and air-sensitive processes

Ordering Note:
If your required joint size is not listed, please choose the desired capacity and stopcock type, then select any joint and leave a note with your preferred joint specification. We will customize the funnel accordingly.