Hand pump for Trojan HydroLink watering system. Trojan product number 210188.
The Trojan HydroLink single-point watering system provides a safe, easy, and foolproof way to service the water level in your battery bank. Previously, watering your batteries was time consuming and sometimes even unsafe! The HydroLink solves these problems by implementing a simple and intuitive system to automate the process! It can fill a complete set of batteries in less than 30 seconds! Due to this consistent process, the HydroLink can also help maximize battery life!
Also see the other HydroLink pages.