TLG® Binder-Free Glass Microfiber Filters, Grade GF/5 (≡Grade GF/F), with particle retention of 0.7µm, high loading capacity and flow rate. These filters are recommended by the EPA when the Toxicity Characteristic Leaching Procedure 1311 was developed. TLG® Binder-Free Glass Microfiber Filters, Grade GF/5 (= Grade GF/F), remain a popular and prominent component for measuring landfill leachate composition with a TCLP test. These filters support DNA binding and purification, filtering finely precipitated proteins, filtering biochemical solutions, fluids, and nucleic acids. SPECIFICATIONS Material: Borosilicate Glass Particle Retention in Liquid: 0.7µm Water Flow Rate: 41mL/min2 Air Flow Rate: 19s/100mL/in2 Nominal Thickness: 420µm Nominal Weight: 75g/m2 Maximum Temperature: 550°C Package Size: 100 Pieces