3 ms·
>put the recirculator on ...and yet, the majority of cars (IME) default to recirc off.
by wintermutestwin 6y ago
>put the recirculator on
...and yet, the majority of cars (IME) default to recirc off.
- beenBoutIT 6y agoWhat percentage of the air in the cabin actually passes through the cabin filter? Cabin filters are too small to filter the amount of air required for more than one human, let alone a packed car with 5 or more. Air gets in through seams and gaps and cars aren't very airtight.
- globular-toast 6y agoYes because of CO2 buildup. You need air from outside.