AirLife Misty Max 10 Nebulizer with Bacteria Filter. Includes: "Y" mouthpiece, 7' oxygen tubing with rigid blue tip, 6' flextube and bacteria filter. Nebulizer with bacteria filter provides protection and convenience through it utilization of a reservoir and one-way valves for administration of medicated aerosol. The aerosol is contained within the nebulizer system instead of freely flowing into the surrounding air.