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