VOLUMETRIC FLASK WITH SCREW CAP TPX, 500ml Back Catalog number: 2493 Availability: In the manufacturer's stock Price on request - + Recommended 447 DRYING TUBE, 150mm Price on request 1191 OVERTURNABLE STOPPERS, SYLICON RUBBER, o 10mm Price on request 1650 STORAGE BOTTLES NARROW NECK, 50Liters Price on request