A set of four silver-colored metal pipe fittings is arranged on a white background. The fittings include two male adapters, one female adapter, and one male connector. The male adapters have a hexagonal shape with a threaded end, while the female adapter has a hexagonal shape with a socket. The male connector has a hexagonal shape with a threaded end and a nut. An orange wire is attached to the male connector, suggesting a connection to a power source.