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Large window of side wall 

It is high, which can meet the demand of large ventilation quantity 

Favorable heat insulation and frost resistance 

Better air guiding effect 

Better edge sealing effect 

The supporting system can ensure more accurate adjustment accuracy as well as a consistency of opening degree 

Emergency shedding device can be equipped to automatically open ventilation in case of power failure to prevent stuffy death of livestock and poultry (selective assembly) 

Spring air inlet window 

Selected high-quality PS engineering plastic, sturdy and durable, with strong ageing resistance 

The unique groove tendon occlusion (patent) structure of the upper edge of the window and window makes it more tight after closing. The airtight effect is leading in the industry 

The window is equipped with air baffle on both sides of the interior to effectively prevent the cold wind blowing down. Fresh air flows into the center of the poultry house, more evenly distributed. So, the ventilation effect is more ideal 

The reset spring has chosen a reasonable position, and the unique design not only solves the problem that the Windows and doors are bent and deformed under long-term stress. Users can place reinforcement bars inside the form to make it stronger and less prone to distortion 

Not only does it protect against birds, but it has very little wind resistance pursuant to protective net designed for local birds 

A diversion plate above the air inlet window can be added. The air outside the house is better directed to the center of the chicken coop 

Inlet air window of extended side wall 

It's long. And specifications and sizes can meet the needs of different ventilation quantity 

Rubber sealing strip can make sure sound sealing effect of small window 

The guide plate can be selected on the small window to guide the air to the center of the chicken coop 

The supporting system can ensure more accurate adjustment accuracy as well as a consistency of opening degree 

Emergency shedding device can be equipped to automatically open ventilation in case of power failure to prevent stuffy death of livestock and poultry (selective assembly)