All filters are made in the USA – Order Today
Filter Size: 19x21x1A
Actual Size: 19x21x1
Actual Size Fraction : 19x21x1
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With indoor air pollution steadily becoming a problem, it is important to have high-quality HVAC filters installed. Custom Filters Direct 19x21x1A air filters are just that. These air filters are designed to provide superior air filtration for the entire household by blocking harmful particulates when they flow through the filter.
If you suffer from seasonal allergies or breathing problems, these AC and furnace air filters are the perfect protective layer you need to maintain indoor air quality. Our air filters trap more than 90% of the harmful particles which simply helps you enjoy clean, healthy indoor air.
All our air filters are made in the USA, so you will get excellent product quality with prices lower than any other filters on the market. Whether you need filters for your home or your office, Custom Filters Direct furnace and HVAC filters make the environment more pleasant to breathe!
Our air filters provide excellent filtration, but they must be replaced regularly. With the passage of time, these air filters become dirty as they trap a large number of pollutants. Once your air filters become dirty, their capacity to filter particles reduces and causing HVAC to work harder and be more prone to break down. So it is important to replace.
These AC and furnace air filters keep your home indoor air clean & fresh while removing unwanted particles 3 to 10 microns in size. MERV 8 filters effectively remove pollen, mold, dust, bacteria, and more.
These air filters are highly effective in eliminating pet dander, dust mites, and other particles from your home or office environment. MERV 11 air filters effectively capture more than 85% of common allergens 3.0-10.0 microns in size and 50% of the particulates between 1.0 to 3.0 microns.
MERV 13 air filters capture more than 90% of 3 – 10 micron size particles that reach the filter. They even collect more than 75% of attached bacteria and viruses down to 0.3 to 1.0-micron in size.
Custom Filters Direct 19x21x1A air filters are affordable and a great way to replace your HVAC filters on time. We offer an auto-delivery service for air filters. All you need to do is to select the number of filters you need and the time interval of delivery. We will send you a pack of 19x21x1A air filters at your selected time interval.
We also offer one-time delivery options and huge discounts on bulk orders. Simply select the delivery option that fits your needs and place your order today!