Paint Prep and Clean-Up Kit - Here are the essentials in one easy to use kit. Easily fill your gravity gun with the Paint Gun Stand (34008). The Disposable In-Line Air Filter (34066) provides a final layer of air quality assurance to prevent moisture or oil from ruining a panel. Use the Auto Mask System (34134) to quickly mask an entire vehicle for panel repair work or to protect another vehicle in the spray area. After the paint is applied thoroughly clean the gun with the 17-piece Cleaning Brush Set (34109). The Moisture (34103) and Oil (34104) Separators assure air quality at the source.