Festool 205412 Main Filter HEPA-HF-CT26/36/48 PTFE is a high-performance filter designed specifically for the CT 36 AutoClean (CT 36 AC) and CT 48 AutoClean (CT 48 AC) vacuum models. This filter ensures superior filtration by capturing 99.97% of particles as small as 0.3 microns, helping to maintain a clean and healthy working environment. It serves as a direct for the factory-installed filter in the CT 36 and CT 48 AutoClean series, ing easy, tool- installation for quick and hassle- maintenance. Model Number: 205412