Products & Reviews

These 5L PYREX® round bottom boiling flasks have long necks with tooled mouths and take a No. 11 rubber stopper. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest la…

(This is suggested replacement for 3276.)Corning's enhanced T-75 Flask features a U-shaped design, which improves usability while maintaining the same environment for cell growth as previous designs. The U-shaped T-75 flask includes design advances, such as rounded shoulders, which allow for an easier grip and for better access when removing or tightening the cap. The new ergonomic shape also reduces the number of corners, imp…

Corning's enhanced T-75 Flask features a U-shaped design, which improves usability while maintaining the same environment for cell growth as previous designs. The U-shaped T-75 flask includes design advances, such as rounded shoulders, which allow for an easier grip and for better access when removing or tightening the cap. The new ergonomic shape also reduces the number of corners, improves cell scraping, and provides the opt…

(This is the suggested replacement for 431464)Corning's enhanced T-75 Flask features a U-shaped design, which improves usability while maintaining the same environment for cell growth as previous designs. The U-shaped T-75 flask includes design advances, such as rounded shoulders, which allow for an easier grip and for better access when removing or tightening the cap. The new ergonomic shape also reduces the number of corners…

These 10 mL PYREX® pear-shaped boiling flasks have full length outer 14/20 Standard Taper joints and are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. The…

These 100 mL PYREX® pear-shaped boiling flasks have full length outer 14/20 Standard Taper joints and are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. Th…

(This is the suggested replacement for 4315-25)These 50 mL PYREX® pear-shaped boiling flasks have full length outer 14/20 Standard Taper joints and are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and l…

These 250 mL PYREX® pear-shaped boiling flasks have full length outer 124/40 Standard Taper joints and are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. T…

These 50 mL PYREX® pear-shaped boiling flasks have full length outer 124/40 Standard Taper joints and are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. Th…

These 100 mL PYREX® round bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. They are carefully designed and manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results a…