Vent Axia Sentinel Kinetic High‑Flow G3 Air Filter 403702 – Pack of 2
Upgrade your MVHR system with a fresh set of premium‑grade filters designed for Vent Axia ventilation units. These G3 (ISO 45 % efficiency) filters deliver reliable high‑flow performance while capturing fine dust and pollen, helping you maintain clean indoor air without sacrificing airflow.
Key features
– Compatibility: Fits all Sentinel and Kinetic high‑flow models (e.g., VENT AXIA 408449, 408451, 479543‑479547).
– Dimensions: Approx. 511 mm × 190 mm (height × width).
– Performance: Advance Standard Filter – ISO‑rated 45 % particle capture (G3).
– Convenient pack: Two filters per box for easy replacement of both sides of your unit.
These filters are a direct alternative to the original part numbers 403702, 443351 and 444201, offering the same fit and function at a competitive price. Installation is straightforward—simply slide the filter into the housing and secure it according to the manufacturer’s guide.
Choosing Vent Axia’s high‑flow G3 filter means you keep your mechanical ventilation system running efficiently, extend the life of the fan motor, and enjoy healthier indoor air quality year‑round. Perfect for homeowners looking to replace worn filters or upgrade their MVHR performance with a reliable, tested solution.





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