Replacement diaphragm for anaesthesia face masks.
Sizing
Sizing refers to corresponding size of face mask (please note, sizes 5 & 6 are same diameter so diaphragm fits both sizes of face mask).
Size 1 : 50mm diameter
Size 2 : 60mm diameter
Size 3 : 65mm diameter
Size 4 : 93mm diameter
Size 5 & 6: 125mm diameter