Genuine Kirby Morgan Gasket, compatible with the following helmets and masks:
- SuperLite SL 17C(Regulator's Exhaust flange)
- SuperLite SL 27(Regulator's Exhaust flange)
- KM 37(Regulator's Exhaust flange)
- KM 37SS(Regulator's Exhaust flange)
- KMB 18B(Regulator's Exhaust flange)
- KMB 28B(Regulator's Exhaust flange)
