| Avenger Grade | Average Micron Size | Material Surface |
| 12 HP | 150 – 250 | Extra Coarse |
| 23 HP | 100 – 150 | Coarse |
| 34 HP | 65 – 100 | Medium Coarse |
| 46 HP | 40 – 70 | Medium |
| 68 HP | 30 – 45 | Fine |
| 83 A | 20 – 30 | Extra Fine |
| 103 A | 10 – 20 | Super Fine |
| 153 A | 5 – 10 | Ultra Fine |
“Average micron particle stoppage.”