MERV 8 filter media will not promote the growth of bacteria, mold, or fungi in normal operating environments and have not been chemically treated. Filtering these particles in the air can help relieve allergies and sinus irritation that can cause tearing, itchy throat, coughing and sneezing. A dirty filter restricts airflow to your HVAC system's air handler, causing it to work harder to cool or heat your home. I had purchased the wrong size filter and you did everything you could to get me the right ones.
Discount Filters offers many different types of discounted air filters to help you better breathe the air inside your home based on your specific needs. Note that the “actual” filter size, that is, the size shown by the tape measure, should be used when creating a filter with this tool, not a nominal filter size. The filter frames are made of beverage cardboard, which stays strong through humidity and temperatures up to 200° F. If you have pets, children, or allergy sufferers in your home or business, replace filters more often to maintain superior indoor air quality and keep your energy costs low.