16x21x1 Air Filters for Furnace & AC

When it was the last time you changed your air filter for your HVAC system? These little things can make a huge difference in your home comfort. Change your 16x21x1 air filter every 30-90 days. When you change your filter on a regular basis, you keep excessive unwanted dirt from building up in your HVAC unit and lungs. This will make your heating and cooling system working at full force.

Whether you need filters for residential or commercial use, Merv Filters LLC serves you with both standards as well as custom sizes filters. Also, look for MERV rating and buy the one that suits your family’s needs.

Product Specifications

  • Nominal size: 16x21x1
  • Made in: USA
  • Actual Size: 15 1/2 x 20 1/2 x 3/4
  • Price: $48.40 – $148.80
  • Available in: 4, 6,12 Packs
  • Designed to last: 90 days
  • Pleats made of: Synthetic media
  • Frame made of: Beverage board
  • Delivery Time: Within 3-5 business days from the order date

Benefits of the Merv Filters LLC 16x21x1 Filter


As in 16x21x1 air filter, there is more space for dust to build upon a pleated filter, so last longer than standard filters. Clogged air filters can lead to more frequent repairs and services. Replace your air filters regularly to keep your HVAC system clean.

Made In The USA

All our air filters are manufactured in the USA. Consider purchasing directly from manufacturers for special offers on bulk orders.

Ultra High Quality

By using dirty air filters can slow down the flow of air and may cause your HVAC system to work harder and wastes a lot of energy, hence more monthly utility bill. A Pleated 16x21x1 furnace filter is constructed with quality materials which do not promote bacterial growth, improving the indoor air quality.


Ideal for basic and standard residential and commercial use.

MERV 11:

Ideal for standard and superior residential and commercial use.

MERV 13:

Ideal for superior residential and commercial use and smoking lounges.

Note: Color of the ac filter 16x21x1 may vary from actual product due to photography effects or your monitor settings.

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