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About this product
This is a 2-pack of MERV 13 air filters sized nominally 20x20x4 inches (actual 19.99" x 19.99" x 4.59"), designed as a replacement for Honeywell FC100A1011 filters and compatible with several other 20x20x4" furnace/air cleaner models. The filters use a foldable frame design with side panels and folding filter elements that assemble without tools.
Specifications
- Nominal Size
- 20x20x4 inches
- Actual Size
- 19.99" x 19.99" x 4.59"
- MERV Rating
- 13
- Replacement Compatibility
- Honeywell FC100A1011
- Filtration Efficiency
- Reduces particles down to 0.3 microns, 99%+ of airborne particles
Bidvana’s takeaways
- Buyers should verify their specific furnace or air cleaner model accepts a 20x20x4" filter before purchasing, as fit may vary across brands like Honeywell, Aprilaire, Space-Gard, and Trion Air Bear.
- Filters should be replaced every 6-12 months depending on air quality needs.
- Filters are pre-assembled but require expanding the folding element and locking side panels into place before installation; no tools are needed.
- Filters must be installed with the airflow arrow pointing toward the furnace.
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