This standard cylindrical style addition funnel is similar to the corresponding CG-1702 but is graduated with a double scale of numbers, one up from the stopcock and one down from the capacity line. This features a pressure equalizing arm and a PTFE stopcock. The standard taper top outer joint and standard taper lower inner joint are both the same size. Funnels with 14/20 and 19/22 joints include a CG-3000 stopper. The overall height is identical to the corresponding CG-1700 model. Funnels 250 mL and smaller have a 2 mm bore stopcock, the 500 and 1,000 mL models have a 4 mm bore, and the 2,000 mL model has a 6 mm bore. For similar item with an additional stopcock on the sidearm see CG-1718.
Replacement PTFE plugs are item # CG-424-XX.