Kimble Kimax 28040-1000 Class A 1L 1000mL Square Volumetric Flask No Stopper
Marked “TC 20°C,” No. 28040 and #22 stopper size. Discontinued Kimax Class A model No. 28040-1000. Ground glass stopper opening (stopper not included). The ground joint accepts a #22 standard taper pennyhead stopper.