12x20x1 Air Filters for Furnace & AC

Purify the air you breathe every day in your homes or business places with Merv Filters LLC’s air filters. We stock a range of air filters available in both standard and custom sizes. Remember to look for the MERV rating for your 12x20x1 air filter and find the one that suits your needs.

Depending on how often you use your HVAC system, you need to replace air filter every 30-90 days to improve your indoor air quality.

Product Specifications

  • Nominal size: 12x20x1
  • Actual Size: 11 1/2 x 19 1/2 x 3/4
  • Made in: USA
  • Price: $27.60 – $84.00
  • 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 12x20x1 Filter


12x20x1 furnace filter offered by Merv Filters LLC is designed to last up to 90 days, ensuring to improve the performance of your HVAC equipment. It’s recommended to families living with kids, pets or having a patient suffering from asthma and/or allergies, replace air filter to maintain a healthy environment in their living space.

Made In The USA

All our 12x20x1 air filters are manufactured in the USA. We offer both standard and custom size filters for home and business use. Consider buying ac filter 12x20x1 directly from the manufacturer, and get an opportunity to take the benefits of special discounts on commercial orders.

Ultra High Quality

12x20x1 pleated furnace filters are more efficient than fiberglass filters. Constructed from 100% synthetic media that offers significantly higher particulate efficiency as compared to regular poly/cotton media pleated. The enclosure frame made from beverage board prevent air bypass.


Ideal for basic and standard residential and commercial use.

MERV 13:

Ideal for superior residential and commercial use and smoking lounges.

Note: Color of the filter may slightly differ from the actual product due to reflection during the photography or your screen modifications.

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