The spray offers long-term protection against rodents from electrical parts, ignition cables, brake hoses, engine cooling hoses, V-belts as well as bellows and accordion sleeves and spring systems. It is also the only one to add anti-corrosion protection to the engine block, transmission parts and front axle suspension. With a special formula that is not toxic and harmful to health, it protects your engine from rodents. The product is resistant to rain.