G3 to M6 Pleated Pre-Filter With metal Mesh Introduction ---------------------------------------------------------------------- G3 to M6 Pleated Pre-Filter With Metal Mesh INDRO Polyester fiber G3-M6 pleated filter with metal mesh is special used as pre filter in air-condition system. Specs of G3-M6 Pleated Pre-Filter with Metal Mesh Type: Pre-filter Media: Polyester fiber Frame Material: Galvanized steel/Aluminum/ABS Recommended final pressure drop: 250Pa Temperature: 100�ºC maximum in continuous service Thickness Pressure drop ï¼?Paï¼?at 2.5m/s (Inches) (mm) G3 G4 M5 M6 2 46 70 80 100 120 4 96 60 70 90 110