Replacing your furnace or AC air filter is simple. This guide will walk you through everything you need to know to do the job right. 📦 PRODUCTS IN THIS VIDEO 📦 • Basic MERV 8 Air Filters ...

If installed backwards, the filter will block the flow of air, instead of cleaning it. 💡 Use an indelible maker to draw an arrow on the side of the furnace as a reminder of the correct way to ...