Zep Professional Truck and &Trailer Wash is a premium liquid cleaner formulated to remove tough road grime, exhaust deposits, and bug residues without the need for brushing. This powerful car wash soap delivers a streak-free, shining finish in one application. Ideal for use on trucks, trailers, and other large vehicles, it rinses completely for a film-free surface. With biodegradable surfactants, this product is effective, making it a reliable choice for professional cleaning.