Stainless steel manifolds for microbial enumeration. The manifold is available in 3 and 6 positions and can be easily set to have a larger amount of samples capacity. The filter manifolds have been designed specifically for microbiological applications. Filter holder supports accept No. 8 silicone perforated stopper. These devices fit with the microbiological monitors and funnel. The surface is easy to clean and avoid any cross contamination during the analysis.