pure plastic air inlet for poutry chicken house 100% raw material air inlet for poultry house keep poultry house air fresh supply good environment for poultry 100% raw material air inlet for poultry house The air inlet usually stays in a close stage, the door can be opened to a needed angle freely according to outer temperature. According to different situations, the air inlet can be opened at the same time or one by one. This system can provide chicken enough oxygen and fresh air, and keep the temperature balance. Dust, ammonia and carbon dioxide are eliminated and water vapor is removed from the air inlet. Good designed ventilation system can increase your flock capacity for each house, and it will bring a more uniform flock with fewer diseases..