The ornamental design for an airintakecap for hair dryer, as shown and described.
1. Air intake caps for hair dryer
1.1: Perspective
1.2: Front
1.3: Back
1.4: Left
1.5: Right
1.6: Top
1.7: Bottom
The materials are metal and synthetic resin; the design is for caps that intakes outer air into a hair dryer, which links to the air inlet of a hair dryer.