are used for coarse pre filtration, provision against insects, textile fibres, coarse applications. DYNA pre filters are available in the range of 15 to 20 micron (G3, G4 Class) and 10 micron (F5, F6).Other Details:
- Low initial pressure drop
- Light in weight and easy to handle
- High cost / performance ratio
- High dust holding capacity
- Cleanable / Washable
- Air-conditioning systems.
- Industrial ventilation systems.
- Coarse filtration and pre filtration.
- Type: Flange or Box
- Frame: Galvanized steel / CRCA powder coated / Aluminium anodized / SS 304
- Separators: Aluminium
- Filter Media: HDPE media / Non woven synthetic media
- Gasket: Neoprene rubber gasket
- BS EN 779 Class: G3, G4
- Filter Efficiency/Arrestance: G3, G4 50 to 80% Arrestance
- F5 80- 90 % Arrestance
- Eurovent Class: EU 3, EU 4