MERV 8 Replacement for Ruud 21x21x4.5 (20.75x20.75x4.38) RXFH-E21AM10, RXFH-E21AM13

MERV 8 Replacement for Ruud 21x21x4.5 (20.75x20.75x4.38) RXFH-E21AM10, RXFH-E21AM13
  • 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!

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4 Ruud RXFH-E21AM10, RXFH-E21AM13 for 29.49 each

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