| irp.category.partno | I.D. Inches | Approx Weight | Positive Pressure | Negative Pressure | Centreline Bend Radius | |
|---|
| P-MK2-1.5 | 1-1/2 | 0.180 | 16 | 29 | 2.2 | |
| P-MK2-2 | 2 | 0.230 | 14 | 29 | 3.5 | |
| P-MK2-2.5 | 2-1/2 | 0.350 | 13.5 | 14 | 4 | |
| P-MK2-3 | 3 | 0.420 | 12 | 9 | 5 | |
| P-MK2-3.5 | 3-1/2 | 0.450 | 11 | 6 | 6 | |
| P-MK2-4 | 4 | 0.550 | 10 | 4 | 6.25 | |