Positive air pressure therapy device, kit and methods for the use and assembly thereof

A positive air pressure delivery device includes a housing having an inhalation inlet, an inhalation outlet, and an interior cavity in fluid communication with the inhalation inlet and outlet. A pressurized fluid inlet includes an outlet orifice in fluid communication with the interior cavity between the inhalation inlet and outlet. A sound reducer baffle has a convex dome surface positioned downstream of and facing the outlet orifice in a spaced apart relationship therewith. One embodiment of the housings includes a body, an end cap and a baffle insert. In various embodiments, the positive air pressure delivery device may be used in combination with other therapy devices, including an OPEP and pressure indicator. A kit and method of using the device are also provided.