BALRAMA Battery Water Level Indicator Home Inverter Battery Tubular Flat Tall Float Cap Non-magnetic Line Level  (8.3 cm)

Instantly know if your battery needs water! Just imagine knowing the exact water level in your battery without removing the vent cap and without getting acid on your hands! No more struggling to peer into the vent hole to know whether your battery needs water or not! Just remove the original battery cap and replace it with our level indicator. Thread size is 30 mm and supports most of tubular batteries except some models of exide batteries. The battery water level float is made with good plastic and is equipped with fumes filter for protecting the air. Best battery water level indicator cap for lead acid batteries. No assembly required. Simply replace the battery caps with this water indicator. It will show you maximum level and minimum level of battery water. So you can refill the water as required and your battery will run for longer term. Please check the thread size of battery before buying. Battery Water Level Indicator Benefits: Eliminates the need to remove the vent cap to check the water level Saves time and effort 360° sight glass allows viewing the battery water level from any angle Dual spark arrestors No electronic sensor to fail No valves to malfunction The acid-proof seal is included