Metal mella ring, also named metal mellaring, is similar to teller rosette. it creates gas/liquid contact on easily wettable surfaces and promote theformation of droplets as the liquid cascades through the packing’s surface.The similar product is Topak designed by Seikow,Mellaring designed by sulzer and so on.VSP Metal Modified Rings Metal VSP Ring’s ligules that bends inside is not only increase opening pore area,but also increase air’s flux. Compared with Metal Pall ring, flux will increase 15-30%. Pressure drop will reduce 20-30%.