500g,Pore Diameter: 0.55-0.70 nm 20g,Pore Diameter: 0.55-0.70 nm 50g,Pore Diameter: 0.55-0.70 nm 100g,Pore Diameter: 0.55-0.70 nm 1kg,Pore Diameter: 0.55-0.70 nm
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