 
         
        | Main components | Long glass fiber | 
| Filtration class | G2、G3、G4(EN779) | 
| Filter object | ≥5μm Coarse dust and foreign matter | 
| Average weighting efficiency | 85%,95%(ASHRAE52.1-1992) | 
| Flame retardant grade | A级(GB8624) | 
| Temperature resistance | ≤300℃ | 
| Temp. Short peak | 350℃ | 
| Humidity resistance | ≤100% | 
| Model | Thickness | Weight (g/m²) | I.N.P (Pa) | F.N.P (Pa) | Temperature resistance (℃) | Temp. Short peak (℃) | Filtration class | 
| RT-GF02 | 1.25m*100m*2mm | 120 | 20 | 200 | 300 | 350 | G4 | 
| RT-GF30 | 30mm | 350 | 25 | 250 | 300 | 350 | G3 | 
| RT-GF50 | 50mm | 500 | 30 | 250 | 300 | 350 | G4 | 
| Note: other specifications can be customized according to requirements | |||||||