Chemically resistant 3Piece construction consists of glass cylinder and base with a polymeric membrane support. Support options Provided with acrylic support and optional polypropylene or PTFE supports available separately for some sizes. Secure sealing Clamps at edges to prevent peripheral loss due to fluid bypass around the edge of the filter. Eliminate carryover Simplicity of design facilitates easy and thorough cleaning between use. Whatman 3Piece Filter Funnels from Cytiva are ideal for quick and easy filtration using highefficiency glass microfiber filters. complement the range of Whatman fine particle retention, rapid flow rate glass microfiber filters. The increased use of highefficiency glass microfiber filters in modern laboratories has created a demand for simple and effective filterholding systems. Whatman 3piece Filter Funnels have been designed to complement the range of Whatman fine particle retention, rapid flow rate glass microfiber filters. The unit consists of a glass funnel and base, acrylic support platform, and 3 easytoapply metal clips. The range of diameters, funnel sizes, reservoir volumes and alternate support platforms provides a flexible system to meet the varied and unique needs of busy laboratories.