The magnetite filter is the necessary material for the 3 layer filter pond. Now, our magnetite filter is carefully selected from the magnetite ore which includes iron of 40-42%. It is specialized by filtering fast, stopping dirt totally, and can be used for long cycle. Our magnetite filter looks like balls, having high mechanical strength, and doesn’t include harmful materials,(trade 01 at kby 010 o com) its specific is 4.5g/cm3, the volume weight is 2.95g/cm3, the hardness is 5.5-5.6, it is suitable for the pipe resistance matching water system.
