Similar to CG-1864, but with the addition of a lower standard taper inner joint to allow collection into a vessel having a 24/40 outer joint. Available with MEDIUM or COARSE porosity fritted glass resin support. A serrated hose connection is sealed on the inner joint for connection to a vacuum source. The “T”-Bore stopcock has an 8mm O.D. sidearm for connection to nitrogen, while the serrated hose connection has an O.D. of 8mm at the middle ring. Vessels are available in sizes other than those listed.