Sparger tube for use in #15 Screw thread with either one- or two-piece Reactor. Consists of a closed bottom, 1/2-inch O.D. tube with a 1/8-inch I.D. bore. Bottom of tube has two 3/64-inch holes, 90° apart; top has a 5/16-inch male thread for connecting to bottom of #15 adapter. Adapter has a female thread in handle for tubing connection. Simply thread tube into bottom of #15 adapter. Thread into #15 Screw thread on reactor. Attach appropriate size tubing to top of adapter. Adapter and tube are fabricated from PTFE. O-ring on adapter is FETFE®. For replacement FETFE o-rings, order 7855-716. Order tube and adapter separately.