Whatman 滤膜 6777-0402 Puradisc 4针头式滤器, 带尖管, 0.2m PVDF 50/盒

Whatman 滤膜 6777-0402 Puradisc 4针头式滤器, 带尖管, 0.2m PVDF 50/盒 PURADISC 4/0.2 PVDF TT 50/PK