Four-Cell Ceramic Partition Ring comes in forms of corrugated and mini rings with various specifications on diameter, height, thickness and weight. Nilgiris Chemical Stoneware Company [P] Limited manufactures Four-Cell Ceramic Partition Ring. Nilgiris Chemical Stoneware Company [P] Limited offers a wide range of tower packing products for construction materials like Raschig Rings, Pall Rings, Saddles, Triangles, Catalyst Bed Supports, Porous balls and Ferrules. The Four-Cell Ceramic Partition Ring is available in different sizes of 50 mm, 75 mm, 100 mm and 150 mm.