The ornamental design for an airpurifier, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Air purifier
1.1 : Front
1.2 : Back
1.3 : Left
1.4 : Right
1.5 : Top
1.6 : Bottom
1.7 : Perspective
The present design is an air purifier; the use of the present design product: the design product is used to purify air and sterilize; the protection is sought for the shape of the product; the picture or photo best showing the present design is a perspective view.