G3 G4 / EU3 EU4 Fireproof Coarse Air Filter for HVAC System / Apyrous Prefilter
1. Application: coarse particle filtration
2. Type: panel filter
3. Size: customized size and design is available
4. Efficiency: G2~G4
5. Final pressure drop: 200 pa (recommend)
6. DIN 53438 Flammability: F1
7. UL 900 Standard: class 2
8. Max. air flow rate:125% of nominal air flow rate
9. Max. operating temperature: 80°C
10. Max. relative humidity: 100%
11. Filter media: synthetic fiber, nylon mesh or metal mesh
12. Frame: moistureproof cardboard or aluminum
13. Protective net: aluminum mesh or galvanized steel mesh
14. Color: white, yellow, blue, green
15. Feature: large air flow, low initial pressure drop, high dust holding capacity, economical and practical, easy installation, long operating life
Common Size and Parameter
| Model No. | Dimensions | Rated Air Flow | Initial Pressure Drop | Efficiency | Material | ||
| W×H×D(mm) | (m³/h) | (pa) | Frame | Media | Protective net | ||
| PAF01 | 595×595×21 | 3000 | 45 | G1~G4 | cardboard or aluminum | synthetic fiber nylon mesh metal mesh | aluminum mesh galvanized steel mesh |
| PAF02 | 295×595×21 | 1500 | 45 | G1~G4 | |||
| PAF03 | 595×595×46 | 3200 | 45 | G1~G4 | |||
| PAF04 | 295×595×46 | 1600 | 45 | G1~G4 | |||
| PAF05 | 595×595×95 | 3400 | 45 | G1~G4 | |||
| PAF06 | 295×595×95 | 1700 | 45 | G1~G4 | |||
Product Photos
