Advantec Glass Fiber Filters are depth filters made of pure borosilicate glass microfibers. Highly resistant to chemical attack and biologically inert. Binder-free and thermostable to 500°C. These grades are recommended primarily used in environmental air monitoring applications. Grade GB100R filters have very low trace metal content of As, Pb, Cd. Used in high and low volume air samplers for aerosols and airborne dust and metal contaminants. Gas Collection Efficiency(DOP): 99.99%. Other applications include filtering DNA/RNA and protein precipitates. Nominal Rating 0.6µm