An air filtering assembly for use with oxygen concentrating equipment, the assembly including a filter containment housing, a cover therefore, and a filter support and divider provided therein. A filter rests upon the divider, and below the divider are a series of baffles, that provide a circuitous path for the filtered air to flow, to effect sound dampening, during usage of this filter assembly in combination with the concentrator of an oxygen concentrating apparatus.

 
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< Nasal and oral cannula having three or more capabilities and method of producing same

< Laryngeal mask and a method manufacturing same

> Protective circuit for a supersonic humidifier

> Valved holding chamber for use with an aerosol medication delivery system

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