Eliminates bad odour. Bad smells can be very annoying. They distract you and make you feel uneasy. In a few sprays, air fresheners can neutralize the foul smell and replace it with a rich fragrance so you can breathe fresh and fragrant air. Convenient. Air fresheners are convenient to use and come in user-friendly packaging. They can be carried from one place to another with ease. They are available in different sizes so you can shop accordingly. Multiple applications.