Merv Filters LLC 16x25x2 MERV 11 furnace filter is recommended for homes that have pets, designed to filter particles a tiny as 1 micron, including dust mites, pollen, mold spores, pet dander, dust and smog. Our MERV 11 filters are crafted with 100% synthetic graduated density filter media that are unaffected by moisture and can withstand rigorous conditions.
How often you should change your system’s air filter? Most manufacturers recommend changing air filter every 30-90 days, depending upon the conditions where you live. If you have more than one pet and/or allergies, check the filter monthly; if you have dogs or cats, change air filter every 60 days; if you are a single family with no pets and no allergies, you filter can last up to 90 days. Consider purchasing directly from the manufacturer and take advantage of special offers on bulk orders.
Important Note: When looking to replace your air filter, make sure you choose the right size filter. As there are typically two sizes – nominal and actual size, which varies from each other in term of inches. In this case, the nominal size of the filter is 16x25x2 while the actual size is 15.5×24.5×1.75