| 1771 | TETHYS TURBIDITY SENSOR | |
| 1772 | TETHYS UV PROBE | |
| 1773 | TETHYS CONDUCTIVITY PROBE | |
| 1774 | TETHYS CHLORINE SENSOR | |
| 1775 | TETHYS TURBIDITY PROBE | |
| 1776 | TETHYS TOTAL SUSPENDED SOLIDS PROBE | |
| 1777 | TETHYS DISSOLVED OXYGEN PROBE AUTO CLEANING | |
| 1778 | TETHYS DISSOLVED OXYGEN PROBE | |
| 1779 | TETHYS ORP SENSOR | |
| 1780 | Tri-Lateral Head Unit | |
| 1781 | Tipping Fork | |
| 1782 | Tractor Fan blades | |
| 1783 | Tractor Seat Cushion | |
| 1784 | Tractor Radiator cap, fuel cap, hydraulic cap | |
| 1785 | Tractor sprocket rim segment | |
| 1786 | Tractor Swing Cycle | |
| 1787 | Tractor Recoil spring, coil spring set | |
| 1788 | TETHYS PH SENSOR DIFFERENTIAL | |
| 1789 | TETHYS PH SENSOR GENERAL PURPOSE | |
| 1790 | TETHYS EXM400 | |
| 1791 | TETHYS EXM500-L | |
| 1792 | TETHYS EXM500 | |
| 1793 | Teflon Heater | |
| 1794 | TETHYS CEM400 | |
| 1795 | TETHYS CEM500-L | |
| 1796 | TETHYS Instruments CEM500 | |
| 1797 | TETHYS Instruments UV-VIS200 FULL SPECTRUM PROBE | |
| 1798 | TETHYS Instruments EL200 MONO & MULTI-CHANNEL WATER CONTROLLER | |
| 1799 | TETHYS Instruments UV400 ATEX | |
| 1800 | TETHYS Instruments EL300 MULTI-CHANNEL WATER CONTROLLER | |