Select Type Coralife 9W Replacment UV (+ $19.36); Coralife 18W Replacment UV (+ $30.21); Jebo 9W UV Replacment Bulb (+ $15.33); Jebo 18W UV Replacment Bulb (+ $18.40); Jebo 24W UV Replacment Bulb (+ $23.00); Jebo 36W UV Replacment Bulb (+ $37.97)