Tube, Screw Thread, GL-18 Screw Thread Tube, on 16
Item No. 50074737
TUBES, SCREW THREAD, GL Screw thread tube for replacement on apparatus using the GL thread, which is manufactured to I.S.O. specifications. (GL is the I.S.O. designation for GLASS.) To be used with a CG-196 solid cap with liner or a CG-195 cap with aperture and CG-197 silicone sealing ring.