Ambica group presents circular rings ranging from 6 mm to 1000 mm diameter. These filters are cut uniformly by power press to avoid uneven edge. These circular screens are specially processed to withstand high pressure on heating. Circular rings from ambica group are even stable under tension. In addition, they have high durability. Other features of these circular rings are: no wastage, highly reusable, suitable as support for less rigid media, computer controlled production, closely controlled, accurate apertures etc. Circular rings are also available in customized size. Besides circular rings, ambica group produces filter discs, hopper magnets, multi-mesh circular rings, multi-layer circular screen packs etc.