2-position 2-way Normally Closed Solenoid Valve JQF1220 DC 3.7V N/O Air Valve for Sphygmomanometer Massager Electronic Valve

2-position 2-way Normally Closed Solenoid Valve JQF1220 DC 3.7V N/O Air Valve for Sphygmomanometer Massager Electronic Valve

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