Description 7/8-inch(female) by 1/2-inch(male) Adapter with Screen Filter Fits most USA Fill Valves 7/8-inch female 1/2-inch Male Screen for limiting debris which can cause wear and tear to your fill valve This adapter is a part that you may need in order to connect your fill valve to your toilet These valves provide a long-lasting, secure fit and can be installed very easily on the bottom of your toilet fill valve /strong>