One two-piece winged plastic cup Replacement cups fit the following cages PPK-TIEL3 ECONO1814C, ECONO-1814, 1814PT ECONO-1818, ECONO1818H, 1818PT 1804 ECONO-1616 220W, 220BLK 22006 1804TR 850, 851, 852 (without cover)