Product performance: ※ Frame: galvanized steel, stainless steel SUS201, SUS430 ※ filter separator: Foil ※ Media: ※ special glass fiber filter sealing material: glass fiber ※ filtration efficiency: F6 (EN779) 60% -80% ASHRAE52. 2 F7 (EN779) 80% -90% ASHRAE52.2 F8 (EN779) 90% -95% ASHRAE52.2 ※ Recommended final pressure drop: ≤ 400Pa environment: ※ Continuous operating temperature: ≤ 250 ℃ / 300 ℃ ※ Maximum humidity : ≤ 100% RH Application of places: ※ tight installation space ventilation and air conditioning systems require high or higher ※ fire ventilation temperature ventilation and air conditioning systems