In addition to formaldehyde actually said that these things have some uses, but their functions are very limited. Because of the source of formaldehyde, you should know that it is on the walls of these furniture, and it is constantly emitting these formaldehyde, so in fact you absorbed all the formaldehyde it emitted at 100%, and it is still emitting formaldehyde, so the most important thing is that you should open the window for ventilation, directly replace the formaldehyde air in the room, and then it will be all right, so it will be decorated.