What pesticide equipment uses air as a medium to transport pesticides to the target?

The choice of a mist blower is correct because it is specifically designed to use air as a medium for transporting pesticides to the target area. Mist blowers generate a high-velocity airstream that carries tiny droplets of pesticide, allowing for effective coverage and penetration of foliage or other surfaces that require treatment. This technology is especially useful for reaching high or dense vegetation where other application methods may struggle to deliver a consistent and even spray.

In contrast, high-pressure sprayers and hand sprayers rely on the pressure and mechanics of liquid to deliver the pesticide, making them less efficient for certain applications compared to the air-based delivery of a mist blower. An aerosol can, while it does involve air and is a method of application, typically relies on a propellant to discharge the contents rather than using air as a primary carrier medium. Thus, the characteristics and intended use of mist blowers distinguish them as the correct answer for this question regarding air-based pesticide delivery systems.