There are 5 results, Your applied filters are, air flowrate 280m³ per hour (extraction); 240m³ per hour (recirculation), air flowrate 600 m³/h, air flowrate 275-545mâ³/h, air flowrate 789 m³/h, air flowrate ducted 368mâ³/hour, recirculated 270mâ³/hour,