Whatman 滤膜 6775-1302 Puradisc 13针头式滤器, 带尖管, 0.2m PTFE 50/盒

Whatman 滤膜 6775-1302 Puradisc 13针头式滤器, 带尖管, 0.2m PTFE 50/盒 PURADISC 13/0.2 PTFE TT 50/PK