Hey everybody, Rob here at etrailer.com. Today, we're going to be taking a look at the PTC custom fit cabin air filter on our 2018 Subaru Outback Wagon. Now our cabin air filter is going to do for our car, what a furnace filter does for your house. It's going to filter out all the debris and particulars in the air and make sure that the air coming through the vents is clean and fresh. Now, a lot… see more >