Classic Glass Filter Holders - Kit47 mm, PTFE-coated membrane support, 300 mL funnelThe Classic Glass Filter Holder is an essential tool for every research lab. The holder's multipurpose design is appropriate for a variety of applications and is available in three different support materials for compatibility with your specific application needs. This item is a kit composed of the following items:(Catalog Number - Description)XX1014724 - Millipore Glass funnel, 300 mL, 47 mm, Borosilicate, PTFE-facedXX1014703 - Millipore Spring Clamp, 47 mm, AluminumXX1014722 - Millipore Glass Base and Stopper, 47 mm, PTFE-faced membrane supportALIGNED05 - Millipore Alignment Guide, 47 mm, 5/PKFeatures & Benefits:. Designed for easy loading and removal of membranes. Three membrane support materials options to suit a variety of applications . UV sterilize or autoclave with filter in place for bacteriological analysisApplications:General Filtration and Clarification, Bacteriological Analysis, Particulate Contamination Analysis of Oils and Hydraulic Fluids, Exfoliative Cytology