Cytiva Whatman 1823-025 GF/D 25mm Glass Microfiber Filters, Binder Free. The Grade GF/D fine membrane filters are thick and offer good loading capacity. GF/D can also function as a prefilter when used with Whatman GF/B grade filters. 100/pack.
- Thick filter media for increased loading capacity
- Nominal particle retention of 2.7 µm
- Can be used as a fine membrane prefilter