Wheaton Glass Barnes Dropper Bottles

30mL Barnes Dropping Bottles with glass pipette. The lower portion of the isoprene rubber bulb forms a tightly fitting stopper. The bottle is manufactured from Wheaton "400" borosilicate glass, which meets USP Type I standards. The average drop size is 46µl. The pipette holds approximately 480 microliters. Volume: 30mL. Cross Section x Height: 35 x 103mm.