SYLICON CONICAL STOPPER - 23x16mm, h 26mm Back Catalog number: 3807 Availability: In the manufacturer's stock Price on request - + Recommended 1435 VOLUMETRIC FLASKS WITH SCREW CAP PP, 1000ml Price on request 1455 STOPPERS PTFE, NS 14,5/23 Price on request 2577 GRADUATED CYLINDER TPX SERIGR,, 2000ml Price on request