Holtop Single Way Blower Fan PM2.5 HEPA Air Filtration System

The single-way fresh air filtration system supplies outdoor fresh air to room with high purification. It’s equipped with double fliers with PM2.5 filtration rate over 95%. It can be used to work together with Holtop energy recovery ventilator or air disinfection box for better air purification either used independently for air purification in air conditioning system.