RED CONICAL STOPPER - 12x9mm, h 18mm Back Catalog number: 1131 Availability: In the manufacturer's stock Price on request - + Recommended 2811 SEROLOGICAL PIPETTE 1ML STERILE (40x25 pcs) Price on request 692 STIRRES FOR BALLONS PTFE, 105mm Price on request 3802 SYLICON CONICAL STOPPER - 13x10mm, h 18mm Price on request