28khz/40khz Double frequency Ultrasonic immersible transducer
28khz/40khz Double frequency Ultrasonic immersible transducer,28khz/40khz Double frequency Ultrasonic immersible transducer,28khz/40khz Double frequency Ultrasonic immersible transducer,28khz/40khz Double frequency Ultrasonic immersible transducer.
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UCEultrasonic: |Quality Product|Competitive price|Fast delivery|Good service|