Lot of 3 Pyrex 5642-1L 1000mL Class A Volumetric Flasks with HDPE Stopper #22 by Corning — new in original individual boxes. Boxes have inventory markings from prior storage; flasks are unused.

• Ref: 5642-1L | LOT: 33118036
• Quantity: 3 flasks, each in its own box
• Class A, TC calibrated at 20°C, tolerance ±0.30 mL
• Machine-blown borosilicate glass body with heavy-wall neck
• Linear HDPE stopper #22 (standard taper) included with each flask
• Permanent white block graduation line
• Meets ASTM E-694, E-542, and E-288 standards
• Made in Mexico by Corning Incorporated

Ships fast from Illinois. Packed carefully for fragile glassware.