IFGEM

Water filtration treatment media consisting of sand, clay, and iron; Water filtration treatment media consisting of sand, clay, iron, and tire; Water filtration treatment media consisting of sand, clay, iron, and paper; Water filtration treatment media consisting of sand, clay, iron, and wood sawdust; Water filtration treatment media consisting of clay and iron; Water filtration treatment media consisting of sand, clay, iron, and tire

Water treatment equipment, namely, water filtration units