Zep Formula 965 is a heavy-duty powdered car and truck wash designed for brush-type, pressure systems, automatic, and self-service car and truck wash operations. It effectively removes tough soils, dirt, and grime while preventing streaking and water spotting. This product provides excellent brush lubrication, reducing vehicle scratches and extending brush life. Safe for most vehicle surfaces, it combines detergents, emulsifiers, and water softeners to deliver professional-grade results.