Air purifier

Description

1. Air purifier

1.1: Front

1.2 : Back

1.3 : Left

1.4 : Right

1.5: Top

1.6 : Bottom

1.7 : Perspective

1.8 : Perspective

1.1-1.8 are drawings showing an embodiment of the air purifier; the present product is used for purifying air; the broken lines form no part of the claimed design.

Claims

The ornamental design for an air purifier, as shown and described.