Buy 19.75×21.5×1 Air Filters Online

Lack of fresh indoor air increases the growth of microbes and humidity levels, which increases the chances of asthma attacks and other respiratory problems.

Custom Filters Direct designs premium quality 19.75×21.5×1 air filters that help you to improve indoor air quality by eliminating more than 90% of the particles floating in the air. Our filters serve as a protection layer against indoor air pollution in your residential or commercial environments.

Our 19.75×21.5×1 AC and furnace air filters come with a tight mesh weaving to trap even small size particles. The solid frame provides the filter extra strength and saves the filter from warping or bending. The charged synthetic media of the filters offers better dust-holding capacity than any other filters available on the market.

All of our filters are manufactured in the USA with an innovative technique, ensuring that you can get full value for your money.

Select the Right MERV Rating

MERV 8

These AC and furnace air filters are ideally designed for standard residential applications. MERV 8 filters block airborne particles 3.0-10.0 microns in size and help your HVAC unit to keep proper airflow and least backpressure.

MERV 11

MERV 11 air filters eliminate the most visible dust particles, sub-micron particles, and
infection-bearing microbes from the air stream. These air filters are ideal for both residential and commercial applications.

MERV 13

Choose MERV 13 air filters when you require superior air filtration solutions. These filters can capture more than 90% of unwanted particles and allergens raging 3.0 to 10.0 microns in size and 75% of the particles ranging from 0.3 to 1.0 microns in size.

19.75×21.5×1 Air Filters Delivery

Need to save time on air filter shopping? Subscribe to Custom Filters Direct auto-delivery services for 19.75×21.5×1 HVAC and furnace filters. All you need to choose is the number of air filters you need and the time interval of delivery. We will send you a pack of new air filters at regular intervals. We also offer one-time delivery services. Choose the delivery option that suits your needs and place your order today. We also offer great discounts on bulk orders of 19.75×21.5×1 HVAC and furnace filters.