Patent Publication Number: US-D541920-S

Title: Air treatment or purification apparatus

Description:
FIG. 1 is a perspective view of the front from above right side of the air treatment or purification apparatus, showing our new ornamental design; 
       FIG. 2 is a perspective view of the rear from above left side thereof; 
       FIG. 3 is a front elevational view thereof; 
       FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereof; 
       FIG. 5 is a rear elevational view thereof; 
       FIG. 6 is a top plan view thereof; and, 
       FIG. 7 is a bottom plan view thereof. 
       The broken line showing is included for the purpose of illustrating and forms no part of the claimed design.