The key specifications of the Wing Fan Ø1200 MM/8 Leaf 38.2 MM Bore are — Material: Glass reinforce polyamode(PAG); Balancing Grade: DIN ISO 1940 G 6.3; Impeller Type: P6ZR; Pitch angle: 27.5°. 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.