聚乙烯 – Sterlitech滤膜

Sterlitech Polyethylene (PE) Membrane Filters, 0.1 Micron, 292 X 3000mm, 1/Pk PE滤膜 UPE 滤膜 1580004

Sterlitech Polyethylene (PE) Membrane Filters, 0.1 Micron, 25mm, 100/Pk 聚乙烯 UPE滤膜