Vacuum Filtration Manifold Manufacturers, Supplier in Delhi, Vacuum Filtration Manifold in Bulgaria, Vacuum Filtration Manifold at best price in Bulgaria. We are Manufacturer and Supplier of Vacuum Filtration Manifold in Bulgaria which is used primarily in microbiological and analytical procedures that involve collecting a particulate (bacteria, precipitate, etc.) from a liquid suspension. Liquid poured into a funnel passes through a filter, which retains the particulate, and filtrate can be collected into a filter flask, directly or via a vacuum manifold. Applying vacuum reduces process time compared to gravity flow.