Maximum operating temperature in water is 100°C; in air, 149°C. Typical moisture pickup is 0% after 24 hours at 48% RH/23°C. Typical thickness is 178µm (7 mils). Typical flow rates, Pall Gelman TF (PTFE) Membrane Disc Filters, 0.2µm pore size (at 520mm Hg) methyl alcohol: 15mL/min/cm 2. air: 2Lpm/cm 2.