The 25 mm air monitoring cassettes are conductive and non-static cassettes used to monitor respirable constituents, such as fibers, silica, metal, and dust.•Conductive and non-static•Leak-proof•Carbon-filled polypropylene housingThese cassettes are leak proof and tamper proofFemale luer-type inlet. Female luer built-in hose adapter outlet.The carbon-filled polypropylene housing prevents adherence of particles to cassette wall to ensure more accurate analysis.Ordering information: Filter Media: GN-4 Metricel membrane (mixed cellulose esters) with cellulose support pad. Housing: Carbon-filled polypropylene. This product is not approved for use in medical, clinical, surgical or other patient applications.