MERV 11 Replacement for Ruud 21x21x4.5 (20.75x20.75x4.38) RXFH-E21AM10, RXFH-E21AM13

Actual Size: 20.75x20.75x4.38"

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New look, same great filter

We’re updating the “look” of our filters.
While we do, your air filter will be the correct size & performance, but may look different than the image above. Learn more

Merv 8

Standard

Merv 11

Superior

Merv 13

Optimal

$216.00

$400.44

in stock

Ships in 24 hours

Quantity Discount

1 for$66.74 ea2 for$41.69 eaSave 38%3 for$39.58 eaSave 41%4 for$38.87 eaSave 42%5 for$37.42 eaSave 44%6+ for$36.00 eaSave 46%

Save 5% With Auto Delivery

SUPERIOR AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months

ABOUT

This is a list ruud.rxfh.e21am10.rxfh.e21am13 MERV 11 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
Actual air filter size: 20.75x20.75x4.38"
MERV 11 synthetic media (comparable with MPR 1000/1200 and FPR 7) offers superior protection from dust, pollen, pet dander, mold, smog and more by trapping 95% of airborne particles without impacting air flow
High-quality construction means electrostatically charged pleated filter media, reinforced wire backing for structural integrity, and a durable frame to resist heat and humidity
Built to last 3 months. 300% longer than fiberglass models
100% manufactured in the United States and designed with recyclable materials
Learn more about ruud.rxfh.e21am10.rxfh.e21am13 Air Filters