Improve Indoor Air Quality with Holtop Wall Mounted Purification Type Energy Recovery Ventilator

Holtop mounted heat energy recovery ventilator brings clean fresh air to your life. It can remove the air pollutants such as dust, PM2.5, VOC, bacteria and virus, etc. The installation is so convenient that you don’t need to do ducting work over the ceiling. Just dill two holes on the wall and hang the machine with complimentary vents accessories. Contact info@ for more products’ information now!