五净居天,

五不還天 Cf. 色界. The five pure-dwelling heavens in the fourth dhyāna heaven, into which arhats are finally born: 無煩天 Avṛhās, the heaven free from all trouble; 無熱天 Atapās, of no heat or distress; 善現天 Sudṛsās, of beautiful presentation; 善見天 Sudarśanās, beautiful; and 色究竟天 Akaniṣṭhās, the highest heaven of the form-realm.