The Model 180 Nebulizer produces a vapor instead of a spray and is used for treatment of the lower respiratory tract or a sensitive nasal tract. Very practical nebulizer for use where vapor instead of spray is indicated for treatment of sensitive nasal cases|Specially suited for solution with oil or glycerin base medications|Good for deep-seated conditions of lower respiratory tract or very sensitive nasal tract|All types of oil or water solutions can be used that are compatible with rhodium and nickel plating|Vented nasal guard restricts development of undesirable pressure, and small and large plain guards are provided for inflation purposes