SYLICON CONICAL STOPPER - 14x11mm, h 18mm Back Catalog number: 3803 Availability: In the manufacturer's stock Price on request - + Recommended 717 BEAKERS PTFE, 50ml Price on request A125-2000 PTFE Bottle Price on request 3813 SYLICON CONICAL STOPPER - 45x34mm, h 45mm Price on request