High Quality Content by WIKIPEDIA articles! The 1989 PBA All-Filipino Conference Finals is the best-of-7 series basketball championship of the 1989 PBA All-Filipino Conference, and the conclusion of the conference`s playoffs. The San Miguel Beermen and the Purefoods Hotdogs played for the 43rd championship contested by the league. This is the first All-Filipino series that will be competed in a best-of-seven format.