1. The ceiling air inlet window has two forms: single opening and double opening;

2. ABS panel, PVC side plate, fan blade, SUS304 central support;

3. The temperature control computer can automatically adjust the ventilation volume, hollow thermal insulation, excellent thermal insulation performance;

4. The single ceiling air inlet window is used for blowing on one side, which is mostly used for nursery and temporary storage. The lying area is insulated, and the active area is blown to exchange fresh air; Double opening is often used in wide pig houses, with air blowing on both sides for air exchange;