Bissell Model 23T3 Easy Vac Upright Vacuum Pre Motor Filter Part # 2037597 Bissell Model 23T3 Easy Vac Upright Vacuum Cleaner Pre Motor Filter. Fits Models : 23T75, 23T76, 23T78, 23T7L, 23T7M, 23T7N, 23T7R, 23T74, 23T77, 23T7E, 23T7F, 23T7G, 23T7K, 23T7U, 23T7W, 23T7Y, 23T7V, 23T7. Genuine Part # 2037597, 203-7597.