These tags describe the featured product: a large wall-mounted industrial greenhouse fan for ventilation and exhaust purposes. This industrial fan comes in sizes of 48inch, 50inch, and 60inch, suitable for use in poultry and pig houses. The fan is made of galvanized steel and stainless steel components, with shutters operated by a Push-Pull centrifugal system. Designed for efficiency and durability, this fan is ideal for various settings such as farms, greenhouses, and factory buildings.