My HVAC guy recommended I use fiberglass air filters only. Any Airflow Pleat Filter
In this video, we will explain the up and down arrows on the OEM and aftermarket cabin air filters and where they should point. The arrow points toward the furnace. (The direction of the air) To subscribe to our channel: AC filters - Clearing up the Confusion Standard Size Pleated Air Filters Air Janitor Polypropylene Pleated Air Filter ...