The key specifications of the Wing Fan Ø500 MM/2 Leaf Ø14.2 MM Bore are — Type of Impeller: P3HL; Pitch Angle: 30.0±1?; Material: Glass Reinforcer Polyamode (PAG); Bore (dia): Ø14.2. 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.