 
         
        | Main components | Flame retardant polyester fiber(PET) | 
| Filtration class | G2、G3、G4(EN779) | 
| Filter object | Coarse dust and foreign matter≥5μm | 
| Average weighting efficiency | 90%(ASHRAE52.1-1992) | 
| Final resistance(Pa) | 250 | 
| Smoke density | ≤200(TB/3237) | 
| Oxygen index | ≥32(TB/3237) | 
| Flammable level(import) | class3(JACA No.11A-2003) | 
| Flammable level | S4(DIN5510-2) | 
| Drop grade | ST2(DIN5510-2) | 
| Smoke level | SR2(DIN5510-2) | 
| Temperature resistance | ≤100℃ | 
| Temp. Short peak | 120℃ | 
| Humidity resistance | ≤100% | 
| Model | Standard Size | Thickness (mm) | Weight (g/m²) | Dust holding capacity | Rated air velocity (m/s) | CMH | I.N.P (Pa) | F.N.P (Pa) | Remark | 
| RT-F10 | 1m*20m | 10mm | 150 | 400 | 2m/s | 7200 | 20 | 200 | Domestic | 
| RT-F15 | 1m*20m | 15mm | 180 | 500 | 2m/s | 7200 | 23 | 200 | Domestic | 
| RT-F20 | 1m*20m | 20mm | 200 | 580 | 2m/s | 7200 | 25 | 250 | Domestic | 
| RT-PS600N | 1.6m*20m | 20mm | 450 | 600 | 2m/s | 7200 | 65 | 250 | Import | 
| RT-PS400N | 1.6m*20m | 15mm | 300 | 550 | 2m/s | 7200 | 35 | 250 | Import | 
| RT-PS300N | 1.6m*30m | 10mm | 250 | 500 | 2m/s | 7200 | 30 | 220 | Import | 
| RT-PS150N | 1.6m*30m | 8mm | 100 | 400 | 2m/s | 7200 | 20 | 220 | Import | 
| Note: other specifications can be customized according to requirements. | |||||||||