The VWR Buchner Filter Funnel 350 ml with an 80M medium porosity fritted disk (model 89000-448) is a high-quality glassware product made by the reputable brand VWR. This filter funnel is designed for use in various laboratory settings including physical, dental, medical, microbiological, and biological labs. With a borosilicate glass material construction and a 350 ml capacity, this funnel is perfect for filtering and straining liquids in a controlled and precise manner. The VWR Buchner Filter Funnel is a reliable and essential tool for any laboratory setting.

***** Filter disc is dirty from storage and I am not sure how to clean it (See Photos) If you have any questions please ask *****