Hanna Instruments HI-98121 Combination pH/ORP/Temperature Tester
| Country | USA |
| Brand | National Geographic |
| Manufacturer | Natl Geographic Society Maps |
| Binding | Map |
| Height | 8.75 |
| Length | 4.25 |
| Weight | 0.0992080179 |
| Width | 0.25 |
| NumberOfItems | 1 |
| ReleaseDate | 0000-00-00 |