General description vhbw offers a high-quality, precision-designed exchange filter for your air purifier, made from selected materials. This filter is ideal for allergy sufferers, ensuring high-efficiency filtration performance in your air purification unit. It is recommended to replace the filter every 6 to 12 months, depending on usage frequency. Technical specifications Diameter: 41 cm Height: 13.5 cm Particulate filter class: PM10 Weight: approx. 2185 g Colour: black Replacement cycle: approx. every 6 - 12 months Content of delivery 2x combi-filter fine pre-filter + HEPA + active carbon