Lennox Carbon Pre Filter X4137 - Atomic Filters
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FREE SHIPPING! Item usually ship within 24hrs M-F (Currently we have delays on some 1, 2, 4  inch air filters due to heavy demand)

DLXX4137

Lennox Carbon Pre Filter X4137

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Lennox Carbon Pre Filter X4137

  • OEM part
  • MERV 6 rating
  • Extends life of HEPA filter
  • Fits the Lennox HEPA 20 air cleaner
  • Replace every 12 months for best performance

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