| Product Number | 55640-1L |
| Qty./Pk | 1 / Pk |
| Qty./Cs | 1 / Cs |
| Brand | PYREX® |
| Capacity | 1000 mL |
| Flask Shape | Flat bottom |
| Top Style | Standard Taper Stopper |
| Neck Style | Long |
| Stopper Style | Hollow glass |
| Accuracy Class | Class A |
| Feature | Reusable |
| Tolerance | 0.3 mL |
| Standard Taper Stopper No. | 22 |
| Height | 342 mm (approx.) |
| O.D. | 125 mm (approx.) |
| Flask Style | Volumetric |
| Flask Feature | Low actinic |