O-RINGS FOR ITEM 554 Back Catalog number: 557 Availability: In the manufacturer's stock Price on request - + Recommended 1190 OVERTURNABLE STOPPERS, SYLICON RUBBER, o 7mm Price on request 1040 LINING FOR GLASS TAPERS Price on request 363 PETRI DISHES 3 SECTORS, O 90mm (1 pc) Price on request