BOLA O-Rings for Flat Flanges, FEP, NW200 Back Catalog number: H 969-75 Availability: In the manufacturer's stock Price on request - + Recommended 1143 Zátka červená - 42x32mm, h 41mm Price on request 787 STIRRING BARS WITH RING, 25x6mm Price on request 1998 GRADUATED BURETTE, 25ml Price on request