Whatman™ GD/X PVDF针头式过滤器 (25mm, 0.45μm)
Fisherbrand™ 无菌注射过滤器 (PVDF膜, 13mm, 0.22μm)
Drummond™ Pipet-Aid™ Series Pipette Controller Accessory, Self-locking TC Filter
Upchurch Scientific™ Precolumn Inline Filters (Swept Volume 0.23μL)
Kontes™ Ultra-Ware™ Microfiltration Assembly with Fritted Glass Support and Ground Joint (47mm)
