PE filler for softener tank is a kind of white funnel made of food grade PE raw material that have excellent corrosion resistance. It is designed into funnels with a large diameter and thickened walls. Besides, its smooth inner surface helps filling material moving into the FRP softener tanks easily without clogging the center pipe of the FRP vessel or causing filling material run-off. It is widely used in water treatment, wasterwater treatment, etc.