Air filters are specially designed to confidently remove airborne contaminants such as pollen, dust, dust mites, mold, auto exhaust, and pet dander, ensuring you stay in a healthy environment. Our 18x24x4 MERV 13 furnace filter captures even the tiniest particles (ranging in size from 0.3 to 1.0 microns), ideal to use in schools and universities, commercial applications like a hospital where a higher standard of air cleanliness is desired.
This 18x24x4 MERV 13 filters are 100% synthetic graduated density filter media which is electrostatically charged bonded to a corrosion resistant expanded metal support grid made of galvanized steel. Our MERV 13 filters are chemicals free and keep the growth of bacteria, smog, gases & odors, and allergen irritants at bay.
Merv Filters LLC offers a wide range of MERV 13 filters in 45 various sizes that can accommodate most HVAC systems. Order online and get in a pack of 4 or 6 according to your requirement! We make the purchasing process easy. Simply choose the filter size, add in the cart and proceed to checkout.
Important Note: When it comes to purchasing 18x24x4 MERV 13 air filter (the nominal size), make sure you get the right size filter. Because when you order it, you will receive the filter with an actual size of 17.5×23.5×3.75. So, measure your replacement furnace and air conditioning filter accordingly. We deliver according to the nominal size.