pH Buffer Calibration Solution 2-Pack: pH 4.00 and pH 7.00 — 1 Quart (950 mL) Each — NIST Traceable Reference Standards for All pH Meters — Color Coded
| Country | USA |
| Brand | Rockport |
| Manufacturer | Rockport |
| Binding | Shoes |
| ItemPartNumber | CG8973 |
| Model | CG8973 |
| Color | Black |
| Size | 13 Wide |
| UPCs | 886412879751 |
| EANs | 0886412879751 |
| ReleaseDate | 0000-00-00 |