HVAC air filters protect a building’s occupants and system from the effects of harmful particles present in the indoor air that may cause irritation to your body and decrease the efficiency of your system. Merv Filters LLC 12x24x4 MERV 11 filters are easy to install and have a low initial cost. Our high-efficiency pleated filters have the greater surface area and lower air flow resistance. These environmentally friendly filters are a good choice for homeowners having pets or allergy sufferers in their home.
The electrostatically charged, 100% synthetic media made, our 12x24x4 MERV 11 furnace filters are resistant to various harmful chemicals and unaffected by moisture. With the large surface area, these pleated filters can capture 91% of airborne particles and will not support further bacterial growth. However, manufactured to last for 90 days, we recommend changing more often if you have pets or allergy sufferers in your home.
Important Note: When you search for air filters online, make sure you receive the right size filter. The nominal size of the filter is slightly greater than the actual size. For example, if the nominal size of the filter is 12x24x4, the actual size will be 11.5×23.5×1.75