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By certification 
Be used in water filtration equipment.
Advantage: adjustable porosity: 20% - 50%.
With consummate production technique and advanced equipment, Suntech Advanced Ceramics is able to offer you high quality and high precision alumina or zirconia porous alumina filter plug products which are heat-resistant, hard-wearing and anti-corrosion. They are all on sale now. Come and wholesale cheap porous alumina filter plug from our factory.
