Automate water levels in tanks, troughs, ponds, or aquariums with this simple float valve. It works just like a toilet fill valve – when water drops below the set level, the valve opens; when it reaches the level, it shuts off. The arm is adjustable over 180 degrees, so you can fine-tune the water height. It's made from durable, corrosion-resistant ABS and PE plastic, with a rubber washer for a tight, leak-free seal. The 3/4-inch male threads screw easily into a standard female fitting. Perfect for livestock waterers (cattle, horses, chickens), fountains, humidifiers, fish ponds, or even DIY hydroponic setups. Saves you time and effort from manually filling containers. Installation is straightforward – just thread it in, adjust the arm, and you're set. A reliable, low-maintenance solution for keeping water levels consistent. If you need help, the seller offers support.