PTM4019 DPF SMART PLUS is our 7th generation new machine that emerged after more than 11 years of machine production and development. Now we are stronger with a more practical, more advanced and smarter machine. Our machines do not contain acid-based chemicals. It cleans a Car DPF in just 19 minutes and a Heavy Vehicle DPF in 45 minutes at a rate close to 100% without damaging its function. With this system, we achieve long-term satisfactory cleaning.