Abstract: A device for vaporizing a liquid, powder, or solid and dispersing a vapor or fog including a body portion having a vaporizer chamber therein, the body portion having inlet and outlet end portions, each portion having a port therein, the ports having associated therewith a threaded passageway extending into the chamber, the body having a transverse opening therethrough intersecting the vaporizer chamber at an intermediate location along the top portion thereof, the opening having associated therewith a mating portion adapted to engage a valve to meter and supply a flow of liquid or to deliver a powder or solid into the vaporizer chamber, a variable length connecting member associated with the first end portion for attaching the device to the exhaust opening of an internal combustion engine, a vibratile channel shaped member positioned in the chamber, a tubular member having inlet and outlet portions with a discharge passageway therethrough, the tubular member having threads associated with the inlet portion th