Complaint
Ceramic or metal honeycomb substrates are new types of catalyst and are widely used in automotive exhaust purification systems. After being coated with catalyst, the product is used in disel or gasoline automobile catalytic converters to catalyze, convert, and purify exhaust gas, so that automobile exhaust gas meets different emission standards (Euro 2-6).
| item | SCR filter element specification (diameter mm) |
| 1 | 330 |
| 2 | 305 |
| 3 | 285 |
| 4 | 266 |
| 5 | 240 |
| 6 | 228 |
| 7 | 190 |
| 8 | 170 |
| 9 | 143 |
