ZLSEALS has a strong focus on delivering only the best products to customers, and renowned for exceptional expertise in this field. Having a state-of-the-art manufacturing facility, equipped with the latest technology, ZLSEALS is committed to producing T20 Standard Stationary Seat that meet international standards of quality.
| d (inch) | D7 | L4 |
| 0.375 | 24.6 | 8.7 |
| 0.500 | 27.79 | 8.7 |
| 0.625 | 30.95 | 10.3 |
| 0.750 | 34.15 | 10.3 |
| 0.875 | 37.3 | 10.3 |
| 1.000 | 40.5 | 10.3 |
| 1.125 | 47.63 | 11.9 |
| 1.250 | 50.8 | 11.9 |
| 1.375 | 53.98 | 11.9 |
| 1.600 | 57.15 | 11.9 |
| 1.625 | 60.35 | 11.9 |
| 1.750 | 63.5 | 11.9 |
| 1.875 | 66.7 | 11.9 |
| 2.000 | 69.85 | 13.6 |
| 2.125 | 73.05 | 13.5 |
| 2.250 | 76.2 | 13.5 |
| 2.375 | 79.4 | 13.5 |
| 2.500 | 82.55 | 13.5 |
| 2.625 | 92.1 | 15 |
| 2.750 | 95.25 | 15.9 |
| 2.875 | 98.45 | 15.9 |
| 3.000 | 101.65 | 15.9 |
