At Merv Filters LLC, we specializing in providing high efficiency pleated 19x20x4 Merv 11 furnace filters to suit your heating and air conditioning units. Our pleated 19x20x4 Merv 11 air filters will not just filter but also stop the growth of mold or bacteria to keep your space clean and healthy.
Merv Filters LLC delivers highly-efficient 19x20x4 Merv 11 filters that are electrostatically charged and made of 100% synthetic media that is resistant to moisture and chemicals. These Merv 11 filters can easily capture and remove 65 to 79 percent particles of 1.0 to 3.0 microns and more than 85 percent particles of 3.0 to 10.0 microns.
These air filters are efficient to remove dust, pet dander, mold spores, bacteria, and more for 3 months. That’s why we recommend you to replace your HVAC filters every 3 months to maintain healthy indoor air quality. However, if you have family members who are prone to illness and need the cleanest environment, consider changing your air and furnace filter every 2 months.
Important Note: Make sure you measure the dimension of your filter carefully before ordering. Merv Filters LLC delivers its air and furnace filters in monomial size which is a fraction of inches bigger than the actual size. When you order for a 19x20x4 MERV 11 filter, it will come in 18.5X19.5X3.75 size.