The stainless steel manifold is fitted for three or six filtration units. The apparatus can be autoclaved and sterilized by dry heat at up to 180°C. Suitable only for vacuum operation. If flushing tubes are used, do not exceed 1.3 bar (300 mbar over-pressure). Applications includes: Microbiology quality control, residue analyses, serial filtration carried out rapidly and easily with a common drainage outlet.