ABE WatchDog brite tank pressure control box. Regulate CO2 pressure automatically to carbonate and consistently package product. If you’re tired of over carbonated beer in the tank and packaging low fills, this is the unit for you. Contact us for more information. This product can be bundled with larger equipment for a discounted price. Contact your ABE sales representative for more details. https://abepartstore.com/products/watch-dog-pressure-control-box?_pos=1&_sid=7401d03f5&_ss=r https://www.youtube.com/watch?v=Jc8KAY_ugB4