This Bundle includes: 

• 2X Pre Filter Bundle 

• G4 grade pre-filter panel for the removal of coarse particulate
• Pleated for maximum dust holding capacity and lower running cost
• Water resistance card frame
• Polycotton media G4 / ISO Coarse 80% (EN 779:2012 / ISO 16890)
• Galvanised steel pleat support mesh
• May be incinerated or disposed of to general waste
• Expected filter life: 3 months * 

*Depends on usage - higher fume or dust, or extended operating hours will reduce filter life.