Chemglass Thread For Detachable Gl-18 Unit EA. Virtually eliminates the breakage of standard glass stem stopcocks. Made entirely of TFE and attaches directly to the glass thread without o-rings or other gaskets. Specifications for Chemglass Thread For Detachable Gl-18 CG-199-11: Catalog number: 89028-956 Type: INST/EQUIP 0-499 Description: THREAD FOR DETACHABLE GL-18 Supplier Number: CG-199-11 Package Contents: Chemglass Thread For Detachable Gl-18 CG-199-11 / 89028-956 The Chemglass Thread For Detachable Gl-18 CG-199-11 is a quality addition to the Chemglass lineup. For more great deals on Laboratory Apparatus by Chemglass please browse our Chemglass Laboratory Apparatus page. Chemglass Thread For Detachable Gl-18 CG-199-11 Unit EA