[WHAT YOU GET] – The package Includes 2 packs of water tank float valves, reducing time spent on filling and checking water tanks, ensuring plants are protected from drying out. [NO POWER OR PUMP REQUIRED] – The water float valves are suitable for low-pressure gravity feeding systems, achieving leak-free operation by hand tightening, eliminating the need for additional power sources or pumps. [DURABLE MATERIAL] - Made of hard ABS, the pool auto fill float valve is resistant to corrosion and rust, with adjustable arms for added durability and longevity. [STANDARD SIZE] - The water level control float valve features a 1/2 NPT pipe thread, commonly used in pipelines, with a thread size of approximately 3/4 inch and standard gaskets to prevent leakage. [VERSATILE APPLICATION] - Ideal for use in ponds, pool, livestock water troughs, aquariums, aquaculture, hydroponics, fountain, and reservoirs, offering versatility and adaptability for different environments.