6 Odd Laboratory Glassware Stoppers Standard Taper | eBay
Outer Joint, Ground Glass, Standard Taper, Short Length
Ace Glass, Inc. 29/42 straight-sided outer joint. O.D. of standard taper | Fisher Scientific
KIMBLE KONTES Glass Threaded Connecting Adapters With Inner Standard Taper Joint, 24/40 mm
Stopper with standard taper hollow glass, 29/32 | Plugs | Stoppers and clamps | Laboratory Glass, Vessels, Consumables | Labware | Carl Roth - International