Whatman 滤膜 6790-2504 Puradisc25针头式滤器0.45mPP 1000/盒

Whatman 滤膜 6790-2504 Puradisc25针头式滤器0.45mPP 1000/盒 PURADISC 25 0.45PP (DP)1000/PK