Whatman 滤膜 6780-2504 Puradisc AS 25针头式滤器, 0.45m 灭菌的 50/盒

Whatman 滤膜 6780-2504 Puradisc AS 25针头式滤器, 0.45m 灭菌的 50/盒 PURADISC 25/0.45 PES 50/PK