Whatman 滤膜 6777-1304 Puradisc 13针头式滤器, 带尖管, 0.45m PVDF 50/盒

Whatman 滤膜 6777-1304 Puradisc 13针头式滤器, 带尖管, 0.45m PVDF 50/盒 PURADISC 13/0.45 PVDF TT 50/PK