NC Metal Pall Ring (NC-MPR) 1. Highest industry experience and extensively tested by research institutes worldwide. 2. Material thickness overcomes mechanical weaknesses, and can be used in extremely corrsive services enabling cheaper materials to be used. 3. Strength-to-weight ratio stronger than most other random packings . 4. NC-MPR Direct replacement of the widely used Pall Ring: 5. Size: 10mm. 16mm. 25mm. 38mm. 50mm. 76mm. 89mm.