Bissell replacement part 2037593 (203-7593).
Bissell filter 2037593 fits the following models:
Easy Vac - 23T7, 23T74, 23T77, 23T7E Easy Vac - 23T7F, 23T7G, 23T7K, 23T7U Easy Vac - 23T7W, 23T7Y PowerForce Compact - 23T7V, 23T75, 23T76 PowerForce Compact - 23T78, 23T7L, 23T7M PowerForce Compact - 23T7N, 23T7R