The key specifications of the Wing Fan 1120 MM/4-4/P6ZL/30/PA/28.2/8/B are — Fan Type: Cooling tower Fan; Fan Diameter: Ø1120 mm; Leaf Material: PA; Material of Hub: Aluminium. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. GEM Equipments Pvt. Ltd. is an ISO 9001:2015 certified, India-based manufacturer (since 1984) of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, headquartered in Coimbatore, Tamil Nadu.