whatman 环境监测PM2.5膜, PTFE 46.2mm带 7592-104 PM 2.5 PTFE PM2.5膜, PTFE 46.2mm带 撑环, 连续计数 50/盒
| whatman | 滤膜滤纸滤器 | 18828532 | EPM-2000 8x10IN 1/PK | |
| whatman | 滤膜滤纸滤器 | 1882-047 | EPM-2000 4.7CM 100/PK | EPM2000硼硅酸石英滤纸圆型47mm/100 |
| whatman | 滤膜滤纸滤器 | 1882-866 | EPM-2000 8x10IN 100/PK | EPM2000 硼硅酸石英滤纸方型8x10inch/100 |
| whatman | 滤膜滤纸滤器 | 7592-104 | PM 2.5 PTFE W/PP RING 50/PK | PM2.5膜, PTFE 46.2mm带 撑环, 连续计数 50/盒 |
| whatman | 滤膜滤纸滤器 | 7592-204 | PM 2.5 PTFE W/RING NUM 50/PK | |
| whatman | 滤膜滤纸滤器 | 7592-304 | PM 2.5 JHBIRCH 50/PK | |
| whatman | 滤膜滤纸滤器 | 7592-404 | PM 2.5 PTFE NON EPA 50/PK | |
| whatman | 滤膜滤纸滤器 | 7704-0105 | 96W CAPMAT RND SLCN 50/PK | 穿刺96孔圆孔板盖垫,盒/50 |