Base Model Spray Box (White)The Spray Box is a self contained freshwater wash down system that mounts over the wheel well in the bed of a pick up truck. It provides a convenient source of high pressure freshwater (100 psi) that can be used to rinse, clean or cool off with when a conventional water source is unavailable. The Spray Box is a one size fits all product, fitting 99% of the trucks on the market today, both full and mid size models. Its universal design also allows it