The TOTO Drake II 1G and Vespin II 1G, 1.0 GPF toilet tank is designed for use with the Drake II or Vespin II 1G bowl. The Drake II and Vespin II tank includes a tank to bowl gaskets, tank to bowl hardware, and toilet bolt caps. TOTO's industry leading 1G technology, offers a powerful flush that flushes completely and fully with only one gallon of water. This version of the tank comes equipped with a left-hand chrome trip lever. This tank meets the standards for EPA WaterSense. Additional items needed for installation and use must be purchased separately: toilet bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat. The Drake II and Vespin II ST453U tank can be used on the following bowls: C453CUFG, C453CUF, C454CUFG, C454CUF, CT474CUF, and CT474CUFG. Toto part # ST453U#01
| Color/Finish Family | White |
| Hardware Color Family | Chrome |
| Hardware Finish | Polished |
| Manufacturer Color/Finish | Cotton White |
| Weight (lb) | 28.00 |
| Approximate Flush Valve Size (in) | 3.00 |
| Base Warranty Labor (Months) | 12.00 |
| Base Warranty Parts (Months) | 12.00 |
| Depth (in) | 8.00 |
| Flush Lever Location | Left side |
| Flush Type | Single |
| Gallons Per Flush | 1.00 |
| High Efficiency | Yes |
| Lined Tank | No |
| Material | Vitreous china |
| Maximum Flush Rate | 1.0 GPF (3.79 LPF) |
| Rough-In Size | 12-in |
| Toilet Flushing System | Gravity fed |
| Warranty | 1-year limited |