Cartridge for the Cryo-Alfa Super handheld cryosurgery NEW better value 25g size. Cryo-Alfa Features Level of cold generated by the rate at which the button is depressed. Treatment of various conditions e.g. warts, legions etc Cryo-Alfa-S may also be used for skin lesions; very convenient for GP's Cost per treatment is 50p or less Quick and safe to operate Freezes to -89C to a depth of 3mm Swiss made with appropriate CE mark.