2x Filter G4 for Zehnder Novus 300 / Novus 450, like 527004250

Efficient coarse dust filters for your air ventilation unit Well-constructed for simple exchange Full functionality and compatibility with your Zehnder ventilation device Replacement filters with optimal filtration performance Filter class: G4 wit Z-line fold Replaces Zehnder 527004250 If you\'re looking for compatible and cost-effective filters, you\'re in the right place. Improve the air quality in your home with our high-quality exchange filters for air handling unit. Our G4 filter system offers an effective solution for efficiently filtering out coarse particles such as dust, pollen, hair, insects, sand and dirt. This ensures healthy, clean and allergy-friendly air inside your home. Regular replacement of the filter is crucial to ensure the proper functioning of your air ventilation device. Careful maintenance and filter changes as required will improve the air quality in your home. This maximizes the service life and efficiency of your ventilation system or geothermal heat exchanger. Our coarse dust filters have been specially developed to ensure high filter performance with optimal air circulation. They are easy to install and maintain and guarantee simple application in the slide-in shafts of the ventilation unit along with long-term efficiency. Experience a noticeable improvement in the air quality in your home and protect your family against harmful particles with our outstanding air filters. PLEASE NOTE: The direction of air flow is marked on the filter elements.