GP-152 XAD Resin Trap, Ball Joint with O-ring

http://www.environsupply.com/product/gp-152-xad-resin-trap-ball-joint-with-o-ring/

The GP-152 XAD Resin Trap has a #28 ball and socket along with hose barbs for tubing connection between the recirculating pump, the trap, the trap and the condenser.

It is a precision ground glass fitting for the Method 23 train.  The fitting comes with a Teflon™ coated Viton O-ring and a silicone O-ring, standard. (click on image to enlarge).