Designed for use on either rotary or reciprocating shakers, these flasks are specially designed to maximize aeration for improved growth. They feature a break-resistant lip, which accommodates a cotton plug or a stopper, and a marking spot on the side of flask. These flasks are manufactured from Wheaton 33 low extractable borosilicate glass that conforms to USP Type I and ASTM E-438 Type I, Class A requirements. The four baffle flask features a dam at the base of the neck that reduces splashing.
• Maximizes aeration for improved growth
• Break resistant lip
• Autoclavable