General description The vhbw conical filter is designed for ventilation systems, specifically to prevent contamination in the exhaust air ducts while ensuring quiet operation of exhaust air valves. This filter is a high-quality replacement for Zehnder 990320032. Technical specifications Filter class: G4 Filter size: DN 125 Diameter: 12.5 cm Length: 18 cm Width: 18 cm Thickness: 0.8 cm Material: synthetic fibre Colour: white Binder-free, thermally bonded Compatibility and accessories Fits all round exhaust air disc valves with a mounting ring diameter of 12.5 cm (DN 125) Compatible with valves that are screwed into the mounting frame using a quarter turn Content of delivery 20x exhaust air filter (conical filter)
