Microsart® Funnel

The main application area of Biosart® 250 Funnels is the microbiological analysis of relatively large sample volumes containing low levels of microorganisms, where membrane filtration is an essential step. In addition, Biosart® 250 Funnels are also suitable for testing smaller volumes by placing the sample in a few ml of sterile physiological NaCl solution.

Biosart® 250 Funnels are specifically designed for microbiological testing of pharmaceuticals, food, beverages, water, and other liquids. They are sterile, ready-to-use 250 ml plastic funnels designed to be placed on the bases of a vacuum manifold. A Sartorius gridded membrane filter is placed on a stainless steel filter support. A Biosart® 250 Funnel is then simply mounted and the sample is filtered.

The funnel is made of polypropylene and is flexible enough to ensure optimum sealing with a bayonet-style cap. Graduations are marked at 50, 100, 150, and 200 ml for easy measurement of exact sample volumes. The large inner diameter enables a high flow rate. The conical shape allows the system to be completely rinsed after filtration. No liquid is retained in the filter funnel. Biosart® 250 Funnels enable the filtration steps required in routine applications to be performed quickly.

• High total throughput
• High flow rate
• Sterile, available individually in sterile packaging
• Use a new, sterile funnel for each test to prevent cross-contamination
• No more handling hot funnels
• Complete filtration visibility
• Ready to connect, easy to use, and practical
• Minimum amount of equipment required
• Autoclavable to a limited extent