https://www.ridetech.com/products/co...ntrol-systems/
https://www.ridetech.com/products/co...ntrol-systems/
https://www.ridetech.com/products/co...ntrol-systems/
I have a 3 Gal Airpod setup in my Impala with the E3 controller, but they've starting going to a smartphone based controller. It's entirely self contained and plumbed. Hookup 4 airlines, give it a 12v hot, ignition switched 12v and your done.