#CAPTION# #CAPTION-Mobile# #DOWNLOADTYPE# Download #DownloadDropDown# #file-path# #caption# Home / Terra Universal / Fan Filter Units Terra Universal -HEPA-Filter Check Challenge Beads, 0.12 µm Dia., 25 mL Vol., Thermo Fisher ScientificDOWNLOADSType: MicrospheresVolume: 25mLNominal Diameter: 0.12 µmMaterial: PolystyreneConcentration: 7.5 x 1012 #/ mLDensity: 1.05 g/cm3 Refractive Index: 1.59 @ 589 nm (25° C)Size Uniformity: 5%Category: UV air purifiers | air filters | filters...MasterFormat: Thermal Protection | Thermal Insulation | Residential Appliances...View Product Details From Manufacturer Terra Universal800 S. Raymond Ave.Fullerton, CA 92831 Tel: (714) 578-6100 Fax: (714) 578-6020info@terrauniversal.comhttps://www.terrauniversal.com/Find a rep/distributorRequest More Info DOWNLOADS Related Products Overview HEPA-Filter Check Challenge Beads, 0.12 µm Dia., 25 mL Vol., Thermo Fisher Scientific Type: MicrospheresVolume: 25mLNominal Diameter: 0.12 µmMaterial: PolystyreneConcentration: 7.5 x 1012 #/ mLDensity: 1.05 g/cm3 Refractive Index: 1.59 @ 589 nm (25° C)Size Uniformity: 5% Filter: HEPA Manufactured by: Thermo Fisher Scientific Manufacturer SKU: HFI2 Unit of Measure: EASee More See Less Downloads