NPT Mini Float Ball Valve Set 1/2" Automatic Filling Humidifier Tank Pond Shut-Off Water Float Ball Valve 2 Pack

Very durable mini float valve with adjustable arm. Made of hard ABS that will not corrode or rust. Suitable for ponds, chickens, livestock, aquariums, aquaponics, aquaculture, hydroponics. Automatically replenishes and maintains the water in your system. Spend less time filling and inspecting your tanks and protect your plants from drying out. Keeps the water level exactly where you want it to be in your pond or aquarium. No more worrying about a mechanism that gets stuck or corroded and overflows or does not fill. Features a standard 1/2" NPT connector with a washer to avoid leaks. With 1/2" socket on one end and 3/4" on the other end. Ideal for low pressure gravity systems. No power supply or pump required. Simply tighten by hand for leak-proof operation., Manufacturer: MDod