Mellaring is similar to Teller Rosette, its characteristic is it has big rampart open area, so it possessing big flux, small resistance and high mass transfer capability. There are Mellarings of different sizes.

Mellaring Top is circular arc that be forthly pressed along the ring axes, just like a rosette or lantern, its structure is similar to that of Topak. There are 2~3 lines meniscus fenestras pressed inwardly and radially along ring on Mellaring VSP40 and Mellaring VSP25.