Hence, look at the label of the new filter and see whether the arrow is for airflow or just direction and install.
Get Cabin Air Filter Arrow Up Or Down UK. Original has this side up. Dumb question, i replaced my cabin air filter (oem) and the arrow points up saying to install that way but on youtube a lot of guys are saying that's incorrect and arrow should be pointing down.so which is it lol.
Cabin Air Filter > Arrow pointing up or down ... from tech.corvettecentral.com
Old filter had no arrow. If your return air is in the ceiling then arrow up if your filter is installed backwards do not change it until you replace filter as the cold air will blow all the collected pollutants into your furnace. This will ensure a good seal inside the heater.
If it says up on your filter then <p><p>the cabin air flows down into the blower, so make sure the arrow on the filter points downward.
Also, if you turn up the fan and. The cabin air enters from the top and goes down. Cabin air filters are vehicle specific, meaning the products, installation, and location of the filter will depend on the vehicle you're driving. Since the 1980s, most commercial aircraft have had these types of filters fitted to maintain the cleanliness of the cabin air.
