O-RINGS FOR ITEM 554 Back Catalog number: 557 Availability: In the manufacturer's stock Price on request - + Recommended 442-0491 Míchadlo magnetické, diskové, pr. 37mm x 62mm, PT Price on request 442-4530 Míchadlo magnetické CYLINDRICAL pr.6mmx35mm, PTFE Price on request 41051 Pipeta serologická, HTL Standart tip, 25ml, steril Price on request