The bare O-rings
| Item | Part No. | Description |
| 1 | O222 | bare O-Ring BMO-20 1-1/4″ BSP |
| 2 | O224 | bare O-Ring BMO-24 1-1/2″ BSP |
| 3 | O217 | bare O-Ring BMO-16 1 ” BSP |
| 4 | O111 | bare O-Ring BMO-04 1/4″ BSP |
| 5 | O011 | bare O-Ring BMO-02 1/8″ BSP |
| 6 | O113 | bare O-Ring BMO-06 3/8″ BSP |
| 7 | O139 | bare O-Ring BMO-32 2″ BSP |
