In the field of indoor ventilation, the standard vertical fresh air system has become a preferred device for homes, shops, studios, and other places due to its high - efficiency purification and intelligent control. It adopts a two - way flow design, with an air exchange rate of 300m³/h, meeting the needs of spaces of 80 - 120㎡, introducing fresh air while exhausting the dirty air indoors.

High - Efficiency Filtration, Fresh Air Exchange:
The combination of G4 primary - effect and H11 high - efficiency filter screens has a filtration efficiency for PM2.5 of ≥99%, blocking dust, bacteria, and pollen from entering the room. The activated carbon layer removes formaldehyde and odors, ensuring that the air sent into the room is clean and healthy.

Heat Recovery for Energy - Saving, Quiet Operation:
It has a built - in heat recovery module, with an energy recovery rate of ≥70%, reducing the temperature difference between fresh air and indoor air and lowering air - conditioning energy consumption. The operating noise is ≤40dB, quiet and non - disturbing, and it can continuously exchange air for 24 hours without burden.

Intelligent Control, Convenient Operation:
The liquid crystal display screen can display air quality (PM2.5 value, temperature, and humidity) in real - time. It supports remote control via a mobile APP, and can adjust the wind speed and mode (automatic/manual). The filter screen replacement reminder function ensures the efficient operation of the system.