• Widely Used: This battery water filler pump (Watering kit NOT included) is a fast, safe, and reliable tool designed to work with for Trojan Hydrolink battery watering system. The hand pump is perfect forgolf car, RV, boat, utility vehicle 
• More Effortless: Our manual pump Compatible With the Flow Rite system has been improved with a larger Squeeze Ball. Now, it only takes 1-2 squeezes to introduce water into the Pro-Fill RV or Qwik-Fill Watering System.
• More Time-Saving: Our golf cart battery water filler features larger PET pipes, upgraded from 11mm to 16mm in diameter, significantly enhancing water flow speed. With airbag, this allows you to complete the watering task in half the time
• Easy To Use: This golf cart battery watering system helps you manually add water to batteries easily, even in hard to reach places. The bulb will become firm and not allow to add more water when all batteries are filled, reduce over or underfilling risk
• Increase Productivity: Battery water pump Snap-on / snap-off water supply connections and fast filling allow you to fill each battery in less than one minute. For personal use, it is amazing, for larger fleets, it is a huge return