These soft pliable vinyl plastic masks conform to the facial contours of a cat. They are fitted with a standard 15 mm (3/5 in) taper for connection to anesthesia machines, see pages F16 to F19. They are available in three sizes and are supplied individually or as a convenient set containing one mask of each size.
The mask diameters are 25 mm (1 in), 38 mm (1-1/2 in), and 50 mm (2 in) for the small, medium and large size masks respectively.