Designed for use on either rotary or reciprocating shakers. Special design maximizes aeration. Provided with break-resistant lip and marking spot on side of flask. Break-resistant lip accommodates cotton plug or stopper. Wheaton 33* low extractable borosilicate glass meets ASTM Type I Class A and USP Type I standards.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.