Whatman 濾膜 6870-1304 GD/X 13針頭式濾器, 0.45m Nylon 150/盒

Whatman 濾膜 6870-1304 GD/X 13針頭式濾器, 0.45m Nylon 150/盒 GD/X 13/0.45 NYL 150/PK