The Optima DM Series is the ideal cleaners for both indoor and outdoor use, ensuring high-quality performance and an extremely low failure rate from all our cleaners. Optima Steamer DM(DMF) is not only a professional external car wash machine but also an excellent car interior cleaner because it is an effective disinfection machine and a chemical-free weed-remover. Also, it can be used for a multi-purpose cleaning machine without changing internal settings or parts. With a portable generator, the machine becomes a portable steam cleaner to clean even in outside.