... (by 0.5m/s): Max. 200Pa;Final resistance : 400Pa;efficiency: 95~99.995%. We are professional supplier for all types of air ... (by 0.5m/s): Max. 200PaFinal resistance : 400PaFiltration efficiency: 95%, 99.5%, 99.95%, 99.995%Efficiency rate: H11, H12, H13, H14 (EN 1822)We ...