Rubber Bung Stopper Tapered Plugs Laboratory Solid Stoppers Various Sizes Flask

Material: Rubber. 2、The color may have different as the difference display,pls understand. Good quality. No. 15 81mm 68mm 40mm. No. 14 75mm 63mm 39mm. No. 13 68mm 55mm 38mm. No. 11 56mm 46mm 34mm. No. 9 46mm 38mm 30mm.

eBay