| Proper filter selection is essential, including low airflow resistance and efficient retention of respirable particles. |
| With the fan sitting at the other end and sucking air out, a strong airflow is running through the casing. |
| I noticed a light drizzle but pressed on assured that the airflow at 100 kmh would keep me dry. |
| Aside from that we do try and arrange the airflow so they go downward away from your nose and mouth. |
| The front plate has 62 holes, and most of them are for a good airflow through the core. |
| Mixed ice is the most dangerous kind of airframe icing due to its weight and disruption to the airflow. |
