Whatman* Disposable Filter Funnels

Features 47 mm diameter Whatman brand filter. Filters are retrievable for further analysis and disposable for cleanliness and convenience. Funnels have a 250 ml reservoir and models with 0.2 µm and 0.45 µm cellulose nitrate filter media are available sterile.
These disposable filter funnels are composed of medical grade polypropylene which is compatible with most solutions. In fact, with the exception of those containing cellulose nitrate membranes, the filter funnel can be used with most organic solvents.