20x25 Air Filter
Larger filter surface area for improved airflow and filtration.
- More surface area
- Better airflow
- Longer lifespan
- Compatible designs
- Various MERV options
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DIY Luftreiniger Deutschland: Unter €90 bauen, in 30 Min fertig. Kostenloser Versand. 99,95% HEPA H13 Filtration wie €599 Dyson. Stiftung Warentest Alternative 2025. Corsi-Rosenthal Box für Allergiker, Schulen & Büros.