Filterbuy 21x21x4.5 Ruud RXFH-E21AM10, RXFH-E21AM13 Compatible MERV 8 Air Filter

MERV 8 Replacement for Ruud 21x21x4.5 (20.75x20.75x4.38) RXFH-E21AM10, RXFH-E21AM13
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icon indicates a Minimum Efficacy Rating Value of 8 for the replacement air filter
MERV 8 / Silver
Standard
6 Month Filter
  • MERV 8 Replacement for Ruud 21x21x4.5 (20.75x20.75x4.38) RXFH-E21AM10, RXFH-E21AM13
  • Actual Size 20.75x20.75x4.38"
  • Traps and blocks over 90% of pollen, dust mites, mold, larger dust particles, and more.
  • Ideal for standard and residential commercial use
  • Designed to last 180 days. Replace regularly for optimum performance.
  • Free shipping on all orders!
  • Learn more about Ruud 21x21x4.5 - RXFH-E21AM10, RXFH-E21AM13.
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Made in the USA
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