SYLICON CONICAL STOPPER - 16x12mm, h 20mm Back Catalog number: 3804 Availability: In the manufacturer's stock Price on request - + Recommended 2571 GRADUATED CYLINDER TPX SERIGR,, 25ml Price on request 3800 SYLICON CONICAL STOPPER - 9x6mm, h 18mm Price on request 823 GRADUATED CYLINDER PP SHORT SHAPE, 2000ml Price on request