The Kingfisher Threaded Tap Connector is used with all outside threaded taps. Connect the garden hose to the bottom with a female hose fitting. Screw onto a 3/4 inch threaded tap connector, or remove the grey insert section to fit 1/2 inch threaded taps. Made from hard plastic, it is frost resistant and shatter proof. Its rubber washer eliminates leakage. It is compatible with all brands of hose pipe and hose accessories.