What is the purpose of a garbage disposal sink flange and how does it contribute to the functionality of a kitchen sink?

The purpose of a garbage disposal sink flange is to connect the garbage disposal unit to the kitchen sink. It helps to seal the connection between the disposal unit and the sink, preventing leaks and ensuring that food waste goes into the disposal unit properly. This contributes to the functionality of the kitchen sink by allowing for efficient disposal of food scraps and maintaining cleanliness in the kitchen.