Several companies produce reagent bottles, including Wheaton, Kimble, Corning, Schott AG, Sklárny Moravia and trademark glass names include Pyrex, Kimax, Duran, Boro and Bomex . Common bottle sizes include 100 ml, 250 ml, 500 ml, 1000 ml (1 liter) and 2000 ml (2 liter).