MERV 8 Replacement for Rheem 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

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Merv 8

Standard

Merv 11

Superior

Merv 13

Optimal

$190.20

$336.06

in stock

Ships in 24 hours

Quantity Discount

1 for$56.01 ea2 for$35.00 eaSave 38%3 for$33.67 eaSave 40%4 for$32.36 eaSave 42%5 for$32.03 eaSave 43%6+ for$31.70 eaSave 43%

Save 5% With Auto Delivery

STANDARD AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months

ABOUT

This is a list 21 X 21 X 4.5 MERV 8 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
Actual air filter size: 20.75x20.75x4.38"
MERV 8 synthetic media (comparable with MPR 600 & FPR 5) offers standard protection from dust, pollen, and more by trapping 90% 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 21 X 21 X 4.5 Air Filters