TW-33 is a revolutionary truck wash designed to clean tractor trailers, trucks, big rigs, vans, and most any fleet of trucks or heavy duty industrial vans with little to no effort. This product is a super cleaner and requires no scrubbing for a good cleaning job. This product is a safe cleaner that will dissolve smut, grease, dirt, and grime off the body of any tractor trailer, bus, big rig or any other heavy duty truck. Just spray on and off and your done! You can use a brush application with this product if you desire.