Actual Dimensions:
Approximately 20-1/4" x 24-1/4" x 5"
MERV Rating: 10
| Fits Models:
Lennox: MF1-20, MAC10-20
Trion Air Bear: 455602-019; 459200-005 (Air Bear Supreme 2000); 435790-027 (Air Bear), 435790-048 (Son of Bear), and 453000-001 (Air Bear 25X20)
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