Hi Myn Is Me,
Feline whiskers, also known by its latin name "vibrissae" which means: hair on the face or nostrils of most animals, are required as sensors.
The Whiskers help to guide and assist the feline by sensing their way around the environment.The Cats whiskers are extremely sensitive, which helps make them better hunters. It helps them with their balance and guide the way around darkness.
The whiskers also sense air currents and vibrations, and to tell the distance of an object or its prey.
Having said that, cats can also smell over 200 million different scents.