16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon

16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon

Marsoni

M251S

$35.99

Get it in 3 business days with 1 day shipping. Friday, May 29

16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus CarbonActual Size: 15 1 2 x 19 1 2 x 3 5 8 (15. 5 x 19. 5 x 3. 63) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. If you are replacing a Honeywell or Lennox 16x20x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 16x20x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter

Easy Shipping

Quick Dispatch:

Your 16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your 16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon ships.

Need Help?
Questions about 16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for 16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon in your area.

Get Shipping Estimates

Country Zip/Postal Code

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

It was super easy to swap out myself! I just searched “how to change engine air filter 2017 Acura RDX” on YouTube and watched the first video that popped up. It took me longer to type this than it did to change the filter. Plus, this one cost about a third of what Valvoline was going to charge me to replace it.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on August 10, 2025