Herga 2 Speed Pump Airswitch - DPDT Airswitch - Threaded Spout - Red Cam

Herga double pole, double throw latching airswitch
Simple On/Off with each subsequent press of the air button - 2 separate contacts operate simultaneously. 

Common, Normally open & normally closed contacts for each switch. 

Red cam (other similar airswitches with blue or other colour cams are not compatible)

Sequence -
1st position - Stanby/Off,
2nd position - On,
3rd press is back to the 1st position - Standby

Can be wired so that one output is turned on when the other is off and vice versa, or both outputs can turn on and off simultaneously