Adjustable arm: The float valve has an adjustable arm that can be adjusted over 180 degrees to adapt to different water levels. No power source or pump required, hand tight for leak-free operation. Material: The Mini float valve is , with adjustable arm, made of plastic and brass, more stable and will not rust, has good water inlet control function, will bring you a good experience.Dimensions: The float valve uses 1/2 NPT pipe threads; this is common in the plumbing world and has thread sizes of approximately 1/2 inch with standard washers to eliminate leaks. The applicability exceeds that of traditional metal float valves.Wide range of applications: Tank float valves are suitable for ponds, chicken coops, livestock ponds, aquariums, aquaponics, aquaculture, and hydroponic reservoirs, and are more adaptable than traditional metal float valves.Packing quantity: 2 packs of water tank float valves, designed to reduce the time of water filling and checking the water tank, sealing effect and high pressure; adopts a smaller float control device, which can withstand greater fluid pressure.The water level floating principle of the float ball is used to control the water inlet and outlet switch to achieve a constant water level effect, keep the water volume sufficient, and the water quality is always clean.Cattle drinking water is significantly saved by more than 30%, reducing sewage discharge pressureColour:Photo ColorMaterial:plastic+metalPackage Contents:2 x Float valve