@vov_fresh_air_ventilator: Improve indoor air quality with a bi-directional fresh air ventilation system designed for modern villas and buildings. ✔ Fresh air intake: 198 m³/h ✔ Exhaust: 156 m³/h ✔ HEPA H13 filtration ✔ Ultra-quiet 36dB operation Suitable for residential and commercial projects. 📲 Contact us on WhatsApp for price and installation details. #VOVfreshair #homeimprovement #freshairsystem #freshairventilator #VOVfreshairsystem #indoorairquality