4,000ml Filter Flask

Filter Flasks are thick-walled and have side tubulation for 3/8in (9.5mm) ID vacuum tubing. The 4L Filter Flask size is often used as a pycnometer. GW-76 flask meets ASTM and AASHTO specifications for use as a vacuum container for weighing in the air only.

Features:

• ASTM and AASHTO compliant
• Thick-walled with side tabulation for convenience
• Use as either a vacuum container for weighing air or as a moisture trap

Included Items:

• 4L Filter Flask

Accessories:

• GWA-1 No. 8 Neoprene Stopper w/ Glass Tube
• GWA-2 No. 9 Neoprene Stopper w/ Glass Tube
• GWA-3 No. 12 Neoprene Stopper w/ Glass Tube has 3/8in (9.5mm) hole