SYLICON CONICAL STOPPER - 30x21mm, h 30mm Back Catalog number: 3809 Availability: In the manufacturer's stock Price on request - + Recommended 2916 ADAPTER FOR 25 AND 50ml DISPENSER TIPS Price on request 3824 CONICAL STOPPER 1 HOSE - 18x13mm, h 22mm Price on request 2493 VOLUMETRIC FLASK WITH SCREW CAP TPX, 500ml Price on request