Filter Flask (Büchner Flask) – Heavy-Duty Borosilicate Vacuum Filtration Flask

Our Filter (Büchner) Flasks are designed for efficient vacuum filtration in laboratory, industrial, and educational settings. Crafted from thick-walled, high-strength borosilicate glass, these flasks withstand reduced pressure while delivering reliable performance during solid–liquid separation processes. Whether paired with a Büchner funnel, filter paper, or vacuum pump, they provide a stable and dependable solution for routine and high-precision filtration tasks.

Key Features

Heavy-Duty Borosilicate Construction
Built with extra-thick walls to safely withstand vacuum applications and resist chemical attack.

Reinforced Sidearm
Sturdy hose connector ensures secure attachment to vacuum lines without risk of breakage.

Accurate Graduations
Clear, permanent volume markings allow for easy monitoring of filtrate levels.

Stable Flat Base
Designed for optimal benchtop stability during filtration.

Universal Compatibility
Works seamlessly with Büchner funnels, filter papers, rubber adaptors, and standard vacuum systems.

Thermal & Chemical Resistance
Suitable for a wide range of filtration applications, from organic solvents to aqueous solutions.

Sizes:

100ml, 250ml, 500ml, 1000ml, 2000ml