Tefe's MixRite E-300 electric dosing pump directly injects liquid additives into water lines. It operates against water line-pressure of up to 7 Bar. It handles a variety of chemicals with a large range of flow rates. It can be powered using mains electricity 220 VAC or alternative network power sources, such as car battery and solar panel charged batteries. It is easy to install and operate. It has strong and durable external polycarbonate cover which is waterproof and UV-resistant. It has very low maintenance. It has simple and low cost installation.