Stopper For Butyrometers Back Catalog number: 6401031 Availability: In the manufacturer's stock Price on request - + Recommended H 969-75 BOLA O-Rings for Flat Flanges, FEP, NW200 Price on request 910 SCREW CAP CONTAINER, 5ml Price on request 1192 OVERTURNABLE STOPPERS, SYLICON RUBBER, o 13mm Price on request