| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Approved Supplier | AGO PYR-SB1820R15 | Black Frame/Gray + 1.5 Lens PYRSB1820R15 |
| | Approved Supplier | AGO PYR-SB1820R20 | Black Frame/Gray + 2.0 Lens PYRSB1820R20 |
| | Approved Supplier | AGO PYR-SB1820R25 | Black Frame/Gray + 2.5 Lens PYRSB1820R25 |
| | Approved Supplier | AGO PYR-SB1820R30 | Black Frame/Gray + 3.0 Lens PYRSB1820R30 |
| | TOPOG-E GASKET CO | TOP T1820-RND-S0180 | 4-3/4 ID x 6-3/8 OD ROUND GASKET T1820RNDS0180 |
