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17x21x1A – Merv 13

17x21x1A – Merv 13
AC Furnace Air Filter
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Product Description

Filter Size: 17x21x1A

Actual Size: 17x21x1

Actual Size Fraction : 17x21x1

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Buy 17x21x1A Air Filters Online

A good air filter can keep dust and germs away from your home or office and make the environment clean, healthy, and comfortable.

Custom Filters Direct 17x21x1A air filters are specially designed to provide high-quality air filtration for the entire household. These air filters use pleated filter media that offers high dust holding capacity and maximizes airflow. Made in the USA, these HVAC filters are the most economical air filters on the market.

Custom Filters Direct 17x21x1A air filters are super effective at capturing 95% of airborne particles, such as pollen, mold spores, and dust mite debris. These air filters also capture 75% of small airborne allergens such as smoke, smog, and bacteria. These air filters not only keep the HVAC system working more efficiently, but they also protect the family or employees from harmful indoor air pollution.

So, what are you waiting for? Install our air filter in your house, apartment, office, or business and breathe cleaner, healthier air.

We have 17x21x1A Air Filters to Fit All HVAC Units

No matter which HVAC system you have, every unit needs a quality filter that fits properly in order to keep your indoor air quality clean and your unit running at its maximum efficiency. Custom Filters Direct can supply 17x21x1A furnace and HVAC filters which is the best and most efficient filter available that fits in all HVAC units.
Changing the filter in your furnace and AC filters is as important as changing the oil in your car. We recommend you change your air filters every 60-90 days.

MERV 8, MERV 11, MERV 13 Rated 17x21x1A Air Filters


MERV 8 air filters can capture up to 85% of airborne allergens and particles between 3-10 microns in size. Though these air filters are ideal to use in commercial spaces, thy perform equally well in residential spaces.


These AC and furnace filters are affordable and will provide better air filtration as compared to MERV 8. These air filters will capture more than 85% of the harmful contaminants that are present in the air.


If you want superior protection against bacteria, smoke, and smog, Use MERV 13 air filters. Merv 13 filters are mainly used for commercial/industrial purposes where a high level of air filtration is required.