Whatman 濾膜 6783-1304 Puradisc 13針頭式濾器, 0.45m PTFE 500/盒

Whatman 濾膜 6783-1304 Puradisc 13針頭式濾器, 0.45m PTFE 500/盒 PURADISC 13/0.45 PTFE 500/PK