What is a key characteristic of a washerless faucet?

A washerless faucet is distinguished by its use of a rotating cartridge mechanism rather than relying on traditional washers to control the flow of water and prevent leaks. This rotating cartridge is designed to provide a more reliable and durable seal, significantly reducing the chances of leaks over time. By eliminating the need for washers, which can wear out and require replacement, washerless faucets generally have a longer lifespan and require less maintenance. This design innovation also allows for smoother operation and more precise control of water temperature and flow.

In contrast, the other characteristics mentioned in the choices do not apply to washerless faucets. They are specifically designed to mitigate the common issues associated with washers, such as wear and tear and the necessity for frequent replacements.