This Pyrex 500ml Wide Mouth Filter Erlenmeyer Flask is a must-have for any laboratory or medical facility. With its durable construction and wide mouth opening, it is easy to filter and collect fluids without any spills. The flask is made of high-quality glass that is resistant to heat and chemicals, making it ideal for a variety of applications.

Its size 22 fitting makes it compatible with many other laboratory instruments, and its model number 5400 ensures that it is easy to identify and organize. Whether you are collecting samples or conducting experiments, this flask is an essential tool for any laboratory professional.