The UG4000D Spray Gun Cleaner is favored for its automatic cleaning cycle, which enhances both safety and efficiency in professional painting shops. Featuring a flow-through brush and a powerful 4" diaphragm pump, it facilitates thorough cleaning by removing hardened overspray. In addition, the UG4000D is equipped with a fume extractor, which automatically vents solvent fumes when the lid is lifted, maintaining a healthy work environment. Its sturdy design ensures longevity and dependable service, making it an indispensable asset for maintaining optimal performance and safety standards in painting operations.