Use air conditioner indication stickers to easily identify the airflow direction in your HVAC system. These self-adhesive labels are perfect for both residential and commercial settings. By placing them on the air vents, you can quickly check the airflow. Features -Color:Red -Material:Coated paper -Size:7.50X4.00X0.10cm/2.95X1.57X0.04in -High efficiency: the air conditioner airflow indicating decals provide a quick and to identify the air outlet -Simple to install: with self adhesive, these air conditioner stickers are easy to apply and remove - : these adhesive label stickers are designed for durability, ensuring they remain effective and intact over extended periods -Simple: these air conditioner indication stickers can fit any aesthetic preference -Multifunctional: perfect for air conditioners, these indicating stickers can also be used on other ventilation systems like heaters and exhaust fans Package list: 10 sheets x of labels (5pcs/sheet)