Bluelab Peristaltic Pump 120ml for IntelliDosePeristaltic pumps are easy to install and maintain, and they are the easiest way to deliver nutrients, additives, and pH solutions to your reservoir. These pumps mount on the wall above the reservoir. They automate dosing and watering with accuracy and precision. The Bluelab 120 ml peristaltic pump helps you manage and maintain the essentials your crops need to thrive. Features: 120 ml, 4. 06 fl. oz min Runs on 24V DC Pressure roller (2H+2R) PP made