| Frame | Double-layer U-shaped aluminum alloy / Galvanized steel sheet (GI) |
| Thickness | 20mm / 21mm / 26mm / 47mm |
| Filter Material | High-quality white polyester synthetic fiber |
| Connection Angles | Sturdy and high-temperature resistant ABS plastic corner / Aluminum corner |
| Reinforcement Support | Galvanized iron, adjacent reinforcement ribs for special structural locking |
| Maximum temperature | -20~60°C, transitory temperature resistance <100 |
| Frame | Double-layer U-shaped aluminum alloy / Galvanized steel sheet (GI) |
| Thickness | 20mm / 21mm / 26mm / 47mm |
| Filter Material | High-quality white polyester synthetic fiber |
| Connection Angles | Sturdy and high-temperature resistant ABS plastic corner / Aluminum corner |
| Reinforcement Support | Galvanized iron, adjacent reinforcement ribs for special structural locking |
Remark:
1. Initial resistance performance tolerance is ±10%
2. Special dimensions available upon request