Item: Blower Wheel. Type: Metal. Depth (In.): 2-1/2. Diameter: 4-1/4. For Use With: Beckett AFG Series Burner. Used With: Oil Fired Heating Equipment such as, 4NU97, 4NU98, 3AAC2, 6E772, 6E773, 6E774, 6E775, 6E776, 6E777, 6E778, 6E779, 6MH08, 6MH09, 6MH11, 6MH13, 6MH14, Check Manufacturers Specifications for correct application. Special Information: 4-1/4" Dia., 2-1/2" Depth. Description: 4 1/4" Dia, 2 1/2" Depth.