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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CR Box UK: Build in 30 mins for under £199 (VAT included). Free UK shipping (2-3 days). True H13 HEPA 2.4x more efficient than Dyson MERV filters. Energy Star 2025 certified. Trusted by NHS, schools & offices.