20x25x1 Merv 13 Furnace Air Filter

Code: 20251M13

Actual Size:19 1/2 x 24 1/2 x 3/4

  • Extends life of HVAC Equipment
  • Protects HVAC Equipment
  • Top Quality
  • All Filters are made to order, please allow up to 7 days for processing.
  • Color of filter may vary from picture




Furnace filters are a little-seen but one the important parts of your home’s HVAC system. Filters help your system running at their best while keeping your indoor environment clean and free from pollen, dust, dust mites, mold, auto exhaust, pet sander, and smoke that can cause asthma and allergies. By using a 20x25x1 air filter MERV 13, you can keep your indoor air fresh by eliminating airborne particles from 0.3 to 10 microns in size.

Choosing the electrostatically charged, 20x25x1 MERV 13 furnace filter is the right choice for applications like hospitals, school or universities to remove airborne particles such as bacteria, gases & odors, smoke and allergens irritants. Merv Filters LLC offers MERV 13 filters in 45 different sizes, ensuring you stay in a healthy environment.

How often you should change your 20x25x1 MERV 13 furnace filter?  People with asthma and/or allergies are more sensitive to airborne particles, so we recommend changing your filter every 6 weeks. If you have cats or dogs in your home, change your filter every 2 months. Also, it is recommended to replace your filter every 2-3 months if you have young children in your home.

Important Note: Not sure which filter size you need for your HVAC system? You can check your existing filter size or contact with our friendly filtration expert. The number written on the outer frame is the nominal size, which is slightly greater than the actual size in terms of inches. For example, the nominal size of your filters could be something like 20x25x1, the actual size will be 19.5×24.5×0.75. We offer our products according to the nominal size, so measure the length, width, and thickness of the filter accordingly when you place an order.

Additional information

Weight 0.50 oz


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