Patent Publication Number: US-D958325-S

Title: Heat and moisture exchanger unit for respiratory mask

Description:
FIG. 1  is a front perspective view of a heat and moisture exchanger unit for respiratory mask showing a first embodiment of our new design; 
         FIG. 2  is a front perspective view thereof, in isolation; 
         FIG. 3  is a front view thereof; 
         FIG. 4  is a rear view thereof; 
         FIG. 5  is a top view thereof; 
         FIG. 6  is a bottom view thereof; 
         FIG. 7  is a left side view thereof; 
         FIG. 8  is a right side view thereof; 
         FIG. 9  is a reverse perspective view thereof; 
         FIG. 10  is a front perspective view of a heat and moisture exchanger unit for respiratory mask showing a second embodiment of our new design; 
         FIG. 11  is a front perspective view thereof, in isolation; 
         FIG. 12  is a front view thereof; 
         FIG. 13  is a rear view thereof; 
         FIG. 14  is a top view thereof; 
         FIG. 15  is a bottom view thereof; 
         FIG. 16  is a left side view thereof; 
         FIG. 17  is a right side view thereof; and, 
         FIG. 18  is a reverse perspective view thereof. 
       The broken lines represent environmental structure of the heat and moisture exchanger unit for respiratory mask and do not form part of the claimed design.