Vintage Glass Scientific Lab Kimax Glass 12 1/2 High X 4 - Etsy
Kimax 28014B-1000 Borosilicate Glass 1L, +/- 0.30mL Tolerance, Narrow Top with Rounded Bottom Class A Volumetric Flask, with Blue Marking Area: Amazon.com: Industrial & Scientific
Tough Enough to Meet the Challenge – KIMAX® Heavy Duty Laboratory Glassware Labmate Online