Graduated Pressure Equalizing Addition Funnels with Teflon Stopcock

Addition funnel has 2 stopcocks. With graduated body. Use of the stopcock in the pressure equalizing tube allows filling the funnel without having the system open to the atmosphere. The stopcock in the pressure equalizing tube has a 2 mm bore. The full length 24/40 outer joint at the top and the full length inner joint with sealed-in drip tip at the bottom are the same size. Stopper is not included.