Perfect for car, truck, lorry air flow system. Fits for both 12 volt DC vehicles. Includes a 1/4 inch BARB fitting for 1/4 inch ID hose. Made of durable metal with chrome plated housing. Size: Approx. 7.3 * 3.1 * 1cm/2.87 * 1.22 * 0.39inch(L * W * H).