2/2 Latching Bi-stable

2/2 way Latching / bistable 3vdc, 6v dc and 12v dc brass, stainless + plastic solenoid valves M5 to 3 inch. 20 millisecond power pulse to stay open, reverse polarity (swap +ve and -ve supply) short electrical power pulse to stay closed. Reverse the polarity again and repeat the sequence.