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Ruud Compatible Air Filter Replacements
Filterbuy replacement air filters offer the same high quality materials and performance as the name brand but at a fraction of the cost.
- Available in MERV 8, 11, and 13
- Free shipping
- Guaranteed to fit
- Lowest prices
- Made in the U.S.A.
- Family owned and operated
Customer Review
17.5 X 21 X 4.5 MERV 8 17.5 X 21 X 4.5 MERV 11 17.5 X 21 X 4.5 MERV 13
Actual: 17.25x20.75x4.38"
Designed to Fit:
RXHF-E17AM10
RXHF-E17AM13
MERV 8 - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke
21 X 21 X 4.5 MERV 8 21 X 21 X 4.5 MERV 11 21 X 21 X 4.5 MERV 13
Actual: 20.75x20.75x4.38"
Designed to Fit:
RXFH-E21AM10
RXFH-E21AM13
MERV 8 - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke
21 X 24.5 X 4.5 MERV 8 21 X 24.5 X 4.5 MERV 11 21 X 24.5 X 4.5 MERV 13
Actual: 20.75x24.25x4.38"
Designed to Fit:
RXHF-E24AM10 RXHF-E24AM13
MERV 8 - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke
