SYLICON CONICAL STOPPER - 42x32mm, h 42mm Back Catalog number: 3812 Availability: In the manufacturer's stock Price on request - + Recommended 3809 SYLICON CONICAL STOPPER - 30x21mm, h 30mm Price on request 1572 GRADUATED CYLINDERS TALL SHAPE TPX, 50ml Price on request 936 COULTER COUNTER CUP (200 pcs) Price on request