SifVac is an ideal modular unit that can be modified or purpose-built for specific applications to support the extraction of fumes and dust directly at the source. All models feature an M-class filter for high efficiency. Replacement M-Class filter for the SifVac Range. The integrated filter cleaning system removes the ongoing cost of filter disposal. The SifVac filter can be manually cleaned and the filtered material captured in a bin. When filtration efficiency is needed, the SifVac will return clean air back into the workplace. This is compatible with both the 15L & 20L SifVac Packages.