The DFB plate filter box is suitable to fit into a circular duct system, where a lower particle separation rate is sufficient. Due to its small size the DFB is suitable in areas with limited space.
The housing of the DFB has been constructed from galvanized steel, zinc quality according NEN-EN 10.142 (275g/m²). Tolerances according to NEN-EN 10.143.
The lid is fixed to the casing by a simple clamp, this enables an easy access to the filter without using any tools. Make sure that clamp is placed in such a way that the lid is being pressed in to the gasket tape for an airtight sealing. To support the sealing of the connection to the duct the casing has been fitted with a rubber.