Whatman 滤膜 2702M 囊式滤器TF 75, 0.2m, in-/out0.25 英寸 MNPT/5

Whatman 滤膜 2702M 囊式滤器TF 75, 0.2m, in-/out0.25 英寸 MNPT/5 POLYCAP 75 0.2 PTFE 5/PK F/F