PETRI DISH – GUPTA BRAND 3001028 Posted on March 4, 2017May 1, 2017 by admin Made of Soda Glass. Available in borosilicate glass also. Code Dia (Cms.) 3001028A 5 3001028B 7.5 3001028C 9 3001028D 10 3001028E 12.5 3001028F 15 3001028G 20