Package Contents: The package contains a 50mm to 62mm tap adapter. Please note the product specifications before purchasing. Flip-Top Tap Valve: The valve is used to control the tank's outlet to prevent liquid splashing. Using the control knob, the open/closed position of the plate inside the valve can be flexibly adjusted, and the liquid flow can be controlled. Usage: Quick and easy to install; simply align the interface and screw it in carefully. Operation is very simple. Easy to open and close. The seal is strong, so you don't have to worry about water leaks. The end cap ensures the contents remain clean and watertight. High Quality: Made of high-quality plastic, sturdy and durable, pressure-resistant and leak-proof. Non-toxic, environmentally friendly, and safe to use. Can be connected to traditional PPR, PVC, metal pipe valves, hoses, stainless steel valves, etc. Wide range of applications: IBC water tanks, aquariums, barrel valves, garden irrigation, industrial and agricultural