Filter Flasks

1L Filter Flask
1L Filter Flask
Model: GW-74
Price: $53.00
2L Filter Flask
2L Filter Flask
Model: GW-75
Price: $80.00
4L Filter Flask
4L Filter Flask
Model: GW-76
Price: $149.50

Filter Flasks are thick-walled and have side tubulation for 3/8in (9.5mm) ID vacuum tubing. The 2 and 4L sizes are often used as pycnometers, and GW-76 4L Flask meets ASTM and AASHTO specifications for use as a vacuum container for weighing in air only. 1L flasks can be used in line with SGA-105 #4 Drierite granules as a moisture trap for vacuum pump protection. Neoprene stoppers have 3/8in (9.5mm) hole.


  • 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:

  • 1L, 2L or 4L Filter Flask

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Meets Standard(s):
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