Zep Professional Truck & Trailer Wash with Zep Model 50 Pump is a powerful bundle for fleet operators and industrial vehicle wash programs. This one-step cleaner removes stubborn road grime, exhaust stains, bug residue, and film from trailers and truck bodies without brushing. Its formula is designed for fast application and safe use on painted vehicle exteriors when used as directed. Included in the bundle, the Zep Model 50 Pump fits securely on 55-gallon drums and 5–7 gallon pails, dispensing 8 ounces per pump for easy, clean product handling. This high-efficiency combo keeps vehicle cleaning fast, effective, and professional.