- US Sales
- International Sales
- Technical Support
- Human Resources
Filter Flasks are thick-walled and have side tubulation for .375in (9.5mm) I.D. vacuum tubing. GW-75 and GW-76 flasks are often used as pycnometers, and GW-76 also meets ASTM and AASHTO specifications for use as a vacuum container for weighing in air only. GW-74 flasks can be used in line with Indicating Drierite, No. 4 Granules as a moisture trap for vacuum pump protection.
Neoprene Stoppers w/ Glass Tube have a .375in (9.5mm) hole and a glass tube, and are available in specific models to fit each filter flask. Neoprene Stoppers only are also available to fit each flask. The GW-74 unit uses a No. 8 Stopper while the GW-75 flask works with No. 9 Stopper and the GW-76 model accommodates the No.12 Stopper.
GW-74: 1L, graduated
GW-75: 2L, graduated
GW-76: 4L, graduated
GW-74: 5.39 x 9.37in (137 x 238mm) dia. x H
GW-75: 6.61 x 11.5in (168 x 292mm) dia. x H
GW-76: 7.8 x 14.02in (198 x 356mm) dia. x H
GW-74: 3.0lb (1.36kg)
GW-75: 3.0lb (1.36kg)
GW-76: 6.0lb (2.72kg)
Enter your name, email, and questions below and we will reply during business hours (8am - 5pm EST, Monday through Friday).