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Cleaning ball is a good solution to clean tank interior, the ball will rotary auto when you install it with water. With nice polish inside and outside, it is the real food grade. The thread can be NPT and BSPP, and there is a mill part to remove it easy.We can also make the ball diameter smaller if you will use it in keg or other field.
Material: 304 stainless steel, 316L is available as well.
Size:1/2"-2"/DN10-DN50