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  • ePM1 Filter Class: Key Features and When to Choose It
    date_range 21 November 2024
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    Filters in the ePM1 class must capture at least 50% of PM1 particles (0.3–1 μm) during testing. For example, a filter rated as ePM1 70% captures more than 70% of PM1 particles. The term ePM stands for Efficiency of Particulate Matter.

    These filters effectively remove fine solid particles, ensuring healthier indoor air. They are the most efficient filters in the ISO 16890 classification.

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  • M5 Filter Class: Features and Choosing the Right Filter
    date_range 07 November 2024
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    An M5 filter helps protect your ventilation system—especially the heat exchanger—from clogging, while also filtering out PM10 particles common in many European cities. Positioned between G4 and F7 filters, the M5 offers more effective filtration than G4 with lower energy use and a longer lifespan than F7.

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  • F7 Filter Class: Key Features and When to Choose It
    date_range 20 October 2024
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    Filters are classified by how well they trap particles, and F7 filters fall into the "fine filtration" category. These filters capture small particles (0.3-1 μm) to help maintain good indoor air quality, even in highly polluted areas.

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Filters for ComfoWell CW 220 / CW 420

ComfoWell CW 220 / CW 420

Advanced Filters for Zehnder ComfoWell CW 220, Zehnder ComfoWell CW 420 filter box

Elevate your indoor air quality with our top-tier analog Zehnder filters, designed for perfect compatibility with ComfoWell CW 220 / CW 420 filter box. These filters optimize performance and provide robust protection against pollutants.

ComfoWell CW 220 / CW 420 filter dimensions: 200x225x48, 200x225x96 mm.

Available options:

- Filter set: F7, ePM1 70% / Filter F7/AC, activated carbon.

Our panel Zehnder filters rigorously adhere to ISO 16890 standards, with exceptional filtration efficiency confirmed by FIATEC lab tests in Germany. Crafted from EU-sourced high-quality materials, our innovative 3-layer filtration material ensures optimal performance.

Benefits:

- Low prices.

- Tested efficiency

- Extended filter lifespan.

Includes a 2-year storage guarantee. Trust in our EU-manufactured filter excellence.