US Patent 11773574 Drain strainer

A stopper cartridge for a drain system of a fluid basin, components thereof and related methods are provided. The stopper cartridge includes a stopper head and a strainer to strain fluid passing through the drain system when the stopper head is in a drain position. The stopper head and the strainer may be selectively removable from the drain system by manipulating the stopper head relative to the drain system or a component installed in the drain system.