97006971 Attic fan blade propeller 14" Attic fan blade 97006971. Specifications: Metal Fan Blades 14" Diameter 4 Blades Steep/Deep Fits 1/2" Shaft With Set Screws Allen Key Look clockwise on the side of the hub. Replacement part number 99020133. This design is suitable for the following models: 340, 343, 345, 346, 348, 350BK, 350BR, 35316, 355-A, 355-B, 355BK, 355BR, 355-C, 355-D, 355-F, 355-E -A, 356-B, 356BK, 356BR, 356-C, 356-D, 356-E, 356-F, 356-G, 358-A, 358-B, 358-C, 358-D, 358-E . The products sold by LGDCHCH have been strictly tested and the product quality is perfect. Please rest assured to use. Please wear gloves for safety. Do not operate with power