1000ml Borosilicate Glass Filtration Flask – Heavy Duty Buchner Vacuum Flask with Integrated Side Arm, 3.3 Lab Grade Heat Resistant Glass

Accelerate your laboratory filtration process with our 1000ml Borosilicate Glass Filtration Flask. Designed for high-performance vacuum applications, this flask features a permanently fused side arm (hose barb) that allows for a secure connection to vacuum pumps or aspirators.

Constructed from premium 3.3 Borosilicate glass, it is built to withstand extreme thermal shock and high-pressure differentials without compromising structural integrity. The thick-walled, conical design ensures maximum safety during vacuum-assisted filtration with Buchner funnels. Whether you are conducting crystalline separations, liquid clarifications, or solvent recoveries, this professional-grade flask is essential for any modern laboratory.

Key Features

• Integrated Glass Side Arm: Features a tapered hose barb for easy and secure attachment of vacuum tubing.

• Pressure-Resistant Heavy Walls: Specifically engineered with reinforced glass thickness to prevent implosion under vacuum.

• Superior 3.3 Borosilicate: High resistance to thermal expansion, chemical corrosion, and mechanical impact.

• Professional Graduations: Clear, white enamel 1000ml scale with a matte marking spot for pencil notations.

• Stable Base: Wide conical base design prevents tipping during heavy filtration setups.

• VACUUM READY: Thick-walled construction designed to handle standard laboratory vacuum pressures safely.

• EASY CONNECTIVITY: The built-in side arm (hose barb) allows direct connection to vacuum tubing for fast filtration.

Technical Specifications