Millipore Glass Microanalysis Filter Holders - Kit25 mm, Stainless steel screen membrane support, 15mL FunnelThe Millipore Glass Microanalysis filter holder is designed for vacuum filtration of small-volume liquid samples for particulate or biological contamination analysis. This item is a Kit composed of the following items:(Catalog Number - Description)XX1012514 - Millipore Glass funnel, 15 mL, 25 mm, Borosilicate, Ground glass sealXX1012503 - Millipore Spring Clamp, 25 mm, AluminumXX1012532 - Millipore Glass Base and Stopper, 25 mm, For use with stainless steel screen support, Screen providedALIGNED25 - Millipore Alignment Guide, 25 mm, 5/PKFeatures & Benefits:. Volume graduations clearly indicate sample volume. Filter support available in fritted glass or stainless steelApplications:Contamination Analysis (not for use with thick prefilters or flammable liquids)