General description With the vhbw G4 exchange filter set, your Zehnder ComfoAir 150 Flat Air Ventilation Device can maintain optimal performance. This 2-part pack of coarse dust filters effectively removes hair, insects, sand, and other coarse dust from the air, ensuring a clean and allergy-friendly environment in your home. Technical specifications Dimensions (L x W x D): 25 x 15 x 9 cm Filter class: G4 Type: coarse dust filter Folding: Z-Line Material: high-density cardboard / synthetic fibre Colour: white Weight: 208 g Compatibility and accessories Compatible with Zehnder ComfoAir 150 Flat Replacement for part numbers: 524000010, 527004670 Installation Filters can be inserted quickly and without tools into the insertion shafts of the air conditioner. Usage To maintain high filter performance, it is recommended to change the filters regularly. The air flow direction is marked on the filter elements.