DC 3V 4.5V 6V 12V 24V Small Mini Electric Solenoid Valve N/C Normally Closed Gas Air Valve,Vent valve
https://www.vogueparade.com/shopping/EN/200282142/1/4000360706443/dc-3v-45v-6v-12v-24v-small-mini-electric-solenoid-valve-nc-normally-closed-gas-air-valvevent-valve//