| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR TOP RING |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR BOTTOM RING |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR INTERMEDIATE RING |
| CROSS-SECTIONAL HEIGHT | 0.500 INCHES NOMINAL |
| INSIDE DIAMETER | 1.188 INCHES NOMINAL |
| INTERMEDIATE RING QUANTITY | 2 |
| OUTSIDE DIAMETER | 2.188 INCHES NOMINAL |
| MATERIAL | FIBER NONASBESTOS OVERALL |