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12.5x20x.38 (12.44x19.75x.38) Honeywell Replacement Pre-filter
Honeywell washable electronic pre-filter for models F50A, F50E, and F50F
- Nominal size 12 1/2" x 20" x 3/8" (Actual size 12 1/2" x 19 3/4" x 3/8")
- Use two 12 1/2" x 20" filters to replace one 20x25 filter!
- Honeywell pre-filters capture large particles to extend the life of your filter.
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