Exhibit 4.05 STOCK OPTION AGREEMENT made as of the 1st day of November 2001, by and between CANTEL MEDICAL CORP., a Delaware corporation with principal offices located at 150 Clove Road, Little Falls, New Jersey, 07424 (the "Company"), and YVES VANIER...Stock Option Agreement • May 3rd, 2002 • Cantel Medical Corp • Surgical & medical instruments & apparatus • New Jersey
