5 piece,hole depth :500 nm 10 Pieces,hole depth :500 nm
5 piece,hole depth :300 nm 10 Pieces,hole depth :300 nm
5 piece,hole depth :200 nm 10 piece,hole depth :200 nm
5 piece,hole depth:200 nm 10 piece,hole depth:200 nm
10 Pieces,pore diameter: 300 nm 5 Pieces,pore diameter: 300 nm
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