Whatman 濾膜 6783-1302 Puradisc 13針頭式濾器, 0.2m PTFE 500/盒

Whatman 濾膜 6783-1302 Puradisc 13針頭式濾器, 0.2m PTFE 500/盒 PURADISC 13/0.2 PTFE 500/PK