People  in a closed room, always feel hot, suffocating feeling, so the general  house which will be installed ventilation ducts, you can always keep the  indoor ventilation, to meet people's demand for oxygen, which is the  role of ventilation pipes for people's lives , Especially in the factory with attention. The following is a brief introduction for everyone. The following are the same as the "

The  use of ventilation ducts can make good ventilation, promote indoor air  circulation, control the speed of the air flow to ease the sense of  suffocation, what is called ventilation, that is, indoor or enclosed air  in the dirty air discharged in the factory will produce Hazardous  substances are purified after the discharge are outdoors, and then the  fresh air into the room, dilute the air of harmful substances to meet  people's needs for the air. The following are the same as the "

Keep  the air flowing, so that people can breathe fresh air, which is for the  sake of people's body, ventilation pipes in the building construction  has a wide range of applications, so that the indoor air more smooth.