2x G4 filters for Zehnder ComfoAir Q 350, ComfoAir Q 450 etc.

More efficient Coarse dust filter for your ventilation unit

• Precision-machined for easy replacement


• Full functionality and compatibility with your Zehnder, Wernig, AERISnext ventilation unit


• Replacement filter with optimal filter performance


• Filter class: G4 with Z-Line pleating


• Replaces Zehnder 400502012

With this compatible and cost-effective filter You're making the right choice.

Improve the air quality in your home with our high-quality products Replacement filters for ventilation units. Our G4 filter system It offers an effective solution for efficiently filtering out coarse particles such as dust, pollen, hair, insects, sand, and dirt. This ensures clean, allergy-friendly, and healthy air in the rooms.

Regular filter replacement is crucial to ensure the proper functioning of your ventilation unit. Regular maintenance and filter replacement as needed improve the air quality in your home. This maximizes the lifespan and efficiency of your ventilation system or ground source heat exchanger.

Our coarse dust filters are specially designed to ensure high filtration performance while maintaining optimal air circulation. They are easy to install and maintain, allowing for straightforward insertion into the ventilation unit's mounting ducts and ensuring long-term efficiency.

Experience a noticeable improvement in the air quality in your home and protect your family from harmful particles with our premium air filters.

Scope of delivery

• 2x G4 filters