made of food-grade materials,non-toxic,nosmell,does not decompose,the valve set
ismade of stainless steel material.
leaks,freedom of movement,the valve set in closed position,each valev can not
leak from each other,and toensure that the product chamber is completely
separate from outside environment.
smooth surface (surface finish to 0.8um)
No dead ends,to ensure no product remains after
cleaning.