Description_x000D_ General description_x000D_ Useful for drying air-sensitive compounds with inert gas or as a pressure filter funnel. The threaded top connection provides a wide opening for easy access to contents and provides a positive connection without the use of expensive pinch clamps. Funnels are heavy wall throughout with a coarse fritted disc. Supplied complete with fritted funnel and top inlet assembly._x000D_ Legal Information_x000D_ Aldrich is a registered trademark of Sigma-Aldrich Co. LLC