These 250 mL PYREX® flasks, without tubulations, are blown in special molds in shapes designed to give maximum mechanical strength Marked to avoid confusion with similar sizes of Erlenmeyer flasks Graduated to show their approximate capacity Permanent white enamel graduations and marking spots Beaded rim uses a No. 6 rubber stopper
These 2L PYREX® flasks, without tubulations, are blown in special molds in shapes designed to give maximum mechanical strength Marked to avoid confusion with similar sizes of Erlenmeyer flasks Graduated to show their approximate capacity Permanent white enamel graduations and marking spots Beaded rim uses a No. 9 rubber stopper
These 4L PYREX® flasks, without tubulations, are blown in special molds in shapes designed to give maximum mechanical strength Marked to avoid confusion with similar sizes of Erlenmeyer flasks Graduated to show their approximate capacity Permanent white enamel graduations and marking spots Beaded rim uses a No. 12 rubber stopper
These 500 mL PYREX® flasks, without tubulations, are blown in special molds in shapes designed to give maximum mechanical strength Marked to avoid confusion with similar sizes of Erlenmeyer flasks Graduated to show their approximate capacity Permanent white enamel graduations and marking spots Beaded rim uses a No. 7 rubber stopper
These PYREX® 1L flasks have sidearm tubulations and are blown in special molds designed to give maximum mechanical strength. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers. Tubulation O.D. is 10mm.
These PYREX® 250 mL flasks have sidearm tubulations and are blown in special molds designed to give maximum mechanical strength. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers. Tubulation O.D. is 10mm.
These PYREX® 2L flasks have sidearm tubulations and are blown in special molds designed to give maximum mechanical strength. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers. Tubulation O.D. is 12.5mm.
These PYREX® 4L flasks have sidearm tubulations and are blown in special molds designed to give maximum mechanical strength. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers. Tubulation O.D. is 12.5mm.
These PYREX® 500 mL flasks have sidearm tubulations and are blown in special molds designed to give maximum mechanical strength. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers. Tubulation O.D. is 10mm.
(This is the suggested replacement for 5342-1L)These 1L PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 8 rubber stopper. Tubulation O.D. is 12.5mm."
(This is the suggested replacement for 5342-250)These 250 mL PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 6 rubber stopper. Tubulation O.D. is 12.5mm"
(This is the suggested replacement for 5342-2L)These 2L PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 9 rubber stopper. Tubulation O.D. is 12.5mm."
(This is the suggested replacement for 5342-4LThese 4L PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 12 rubber stopper. Tubulation O.D. is 12.5mm."
(This is the suggested replacement for 5342-500)These 500 mL PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 7 rubber stopper. Tubulation O.D. is 12.5mm."
These PYREX® 125 mL micro filtering flasks are recommended for microchemical use. The vacuum hose is attached to the flask's sidearm. A funnel is inserted into the neck of the flask through a ground joint or rubber stopper. The applied vacuum facilitates the filtration process. These flasks have permanent white enamel marking spots.
These PYREX® 25 mL micro filtering flasks are recommended for microchemical use. The vacuum hose is attached to the flask's sidearm. A funnel is inserted into the neck of the flask through a ground joint or rubber stopper. The applied vacuum facilitates the filtration process. These flasks have permanent white enamel marking spots.
These PYREX® 50 mL micro filtering flasks are recommended for microchemical use. The vacuum hose is attached to the flask's sidearm. A funnel is inserted into the neck of the flask through a ground joint or rubber stopper. The applied vacuum facilitates the filtration process. These flasks have permanent white enamel marking spots.
These 125 mL PYREX® iodine determination flasks are blown in specially designed molds, thereby insuring uniformity and proper contour. The No. 22 Standard Taper stopper projects above the liquid seal trough to facilitate removal. For replacement stoppers, see No. 7640N. Reference: ASTM D-29 and D-555.
These 250 mL PYREX® iodine determination flasks are blown in specially designed molds, thereby insuring uniformity and proper contour. The No. 22 Standard Taper stopper projects above the liquid seal trough to facilitate removal. For replacement stoppers, see No.7650-22. Reference: ASTM D-29 and D-555.
These 500 mL PYREX® iodine determination flasks are blown in specially designed molds, thereby insuring uniformity and proper contour. The No. 22 Standard Taper stopper projects above the liquid seal trough to facilitate removal. For replacement stoppers, see No. 7640N. Reference: ASTM D-29 and D-555.
These 100 mL PYREX® Kjeldahl flasks have tooled finished necks for extra strength and uniform rubber stopper (No. 2) fit. Wall thickness is controlled to offer the optimum balance between thermal shock and chemical resistance. They can be used in ASTM E-258 procedures. Care must be taken to ensure the bottoms of the flasks do not come in contact with the heating elements. Most Kjeldahl equipment manufacturers have ring support…
These 300 mL PYREX® Kjeldahl flasks have tooled finished necks for extra strength and uniform rubber stopper (No. 5) fit. Wall thickness is controlled to offer the optimum balance between thermal shock and chemical resistance. They can be used in ASTM E-258 procedures. Care must be taken to ensure the bottoms of the flasks do not come in contact with the heating elements. Most Kjeldahl equipment manufacturers have ring support…
These 800 mL PYREX® Kjeldahl flasks have tooled finished necks for extra strength and uniform rubber stopper (No. 7) fit. Wall thickness is controlled to offer the optimum balance between thermal shock and chemical resistance. They can be used in ASTM E-258 procedures. Care must be taken to ensure the bottoms of the flasks do not come in contact with the heating elements. Most Kjeldahl equipment manufacturers have ring support…
