Venturis can be used to collect both particulate and gaseous pollutants, but although the liquid surface area provided is quite large they are more effective in removing particles since particles can be trapped by contact, but gases must be trapped by absorption during the relatively short exposure time. Specifications: MOC: PVC, PP, PVC+FRP, PP+FRP, SS-316, SS-304, MS Available in various sizes 0.25 hp to 150 hp Capacities of 100 CFM to 100000 CFM System resistance of 25mm to 2500mm WG static pressure