BROAN SOLO Energy Recovery Bi-Directional Fresh Air System 
Antibacterial rate: 99.99% (Staphylococcus aureus, Escherichia coli).
Antiviral rate: 99.99% (H1N1).
PM2.5 filtration efficiency of the machine: 99%. 
Equipped with DC dual Motor to facilitate low-power operation, reducing heat of the motor and increasing the service life.
5 air speed levels with noise reduction as low as 26dB.
The energy recovery core is washable, environmentally friendly and durable.
Micro-positive pressure air supply technology reduces impact on air backflow.
Outdoor cool air delivery technology.
Q-TOUCH Smart controller, PM2.5 laser sensor, accurate detection and intelligence.
Compact structure allows for easy installation and wider application range.
Optimized design makes daily maintenance more convenient.