Whatman 滤膜 6753-2510 Puradisc 25针头式滤器, 1.0m Nylon 1000/盒

Whatman 滤膜 6753-2510 Puradisc 25针头式滤器, 1.0m Nylon 1000/盒 PURADISC 25/1.0 NYL 1000/PK