QGS 20S BM-3 QGS 20S TMD-3 QGS 20S-TM-3 QGS 25 BM-3 QGS 25 BMD-3 QGS 25 TM-3 QGS 25 TMD-3 QGS 30 BM-3 QGS 30 BMD-3 QGS 30 TM-3