ASTER MD-50E 預埋型電磁扣／防煙門扣 Electromagnetic Door Holder
ASTER MD-50C 電磁扣／防煙門扣 Electromagnetic Door Holder
ASTER MD-50B 電磁扣／防煙門扣 Electromagnetic Door Holder
ASTER MD-50A 電磁扣／防煙門扣 Electromagnetic Door Holder
電磁扣／ 防煙門扣DH505-LED
電磁扣／ 防煙門扣DH504-LED
電磁扣／ 防煙門扣DH501-LED
