Yunan Xijiang Nautical.WD-2A.NA “COMPRESSED AIR WHISTLE Type: WD-2A Air Pressure: 0.7-1.0 Mpa Voltage: 220 V
Solenoid Valve Power: 45 W Heater Power: 200 W Octave: 1/3 RD, 138 dB
Number: 41693 Maker: Yunan Xijiang Nautical Instrument Factory”