"Bo Nan Ke natural ventilation system" is set to filter the air, burglary, replacement and exhaling into a dedicated indoor ventilation systems, miniaturized not accounted for the design of indoor space, without plumbing, can be directly installed on the wall, can be installed before and after the renovation. It completely from indoor formaldehyde and other harmful gases and various odor and outdoor fresh air by the introduction of the indoor multi-layer filter, so you do not fenestration in the case 24 hours a day to maintain healthy indoor air clean, but also to avoid the winter heating and summer cooling to the room, the windows indoor ventilation heat loss.
The system particularly suitable for high-end residential, new projects, working families, hospitals, schools, hotels, places such as hotels installation.