GRADUATED ADDITION FUNNEL Cylindrical funnels have a pressure equalizing line, a PTFE stopcock, and a lower drip tip Graduations to the stopcock are numbered both up and down The 299280 and 299281 series are supplied with an 850400 glass hex-head stopper; the others are supplied without a stopper Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements Capacity (mL) : 10 Graduation Intervals (mL) : 0.2 Height (mm) : 205 Standard Taper Joints : 14/20 Plug Type : PTFE Replacement Plug : 821001-0002 Stopcock Bore Size (mm) : 2 Top : Standard Taper, With a Glass Stopper Case Qty : 1