The large capacity Pro Ultrasonics Pro 4230, 120-gallon ultrasonic unit is ideal for the aviation and aerospace industries and for aircraft maintenance. This fast-cleaning system with dual filtration will get aircraft parts and components precision clean. These hands-free cleaning systems require no solvents, and use only aerospace-approved ultrasonic chemistries that do a great job breaking down/removing oils, grease, and debris. You will reduce your cleaning time drastically, while eliminating hand labor. Reduce labor costs, eliminate solvent costs, and save money. For more information visit www.proultrasonics.com or call (909) 397-4118.