Environment Control Box for Poultry Farm 1. Dimension: 400x500x150mm 2. Accessories National Standard 3. Water proof box Environment Control Box for Quail House 1. Dimension ... as well as the shutter windows and furnaces in the POULTRY HOUSE, FLOWER HOUSE, or Green-houseVegatable Farming House.How it ... 2 fans, or 3 fans, or....., as well as motors for cooling pad with a button, two buttons or 3 buttons ...