General description The vhbw conical filter is designed for use in the Buderus FAV 125 ventilation system. This exhaust air filter effectively prevents contamination of ventilation ducts in the exhaust air area, ensuring quiet operation of exhaust air valves. 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 Compatible with Buderus FAV 125 Replacement for part number: 990320032 Installation Fits on all round exhaust air disc valves with a mounting ring diameter of 12.5 cm (DN 125) Valves are secured into the mounting frame/mounting ring using a quarter turn Usage Designed to prolong the service life of your electronic devices Other information Content of delivery: 10x exhaust air filter (conical filter)