The lower portion of the rubber bulb forms a tightly fitting stopper. Made of Wheaton "400" borosilicate glass. 30 ml (1 oz) capacity. Average dropper size is 46 l. Meets USP Type I standards.
Customer Log-in
Click to shop partner's catalogs
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.