There are 4 results, Your applied filters are, air flowrate 280m³ per hour (extraction); 240m³ per hour (recirculation), air flowrate 789 m³/h, air flowrate ducted 368mâ³/hour, recirculated 270mâ³/hour, air flowrate ducted 660m³/h, recirculated 660m³/h, air flowrate ducted,