Product Description
GeneralAire 11-GA100A37 - 20" x 25" x 4" Replacement Filter for Honeywell FC100A1037, MERV 11, GFI #4368
Nominal Filter Dimensions: 20x25x4
Actual Filter Dimensions: 19-7/8" x 24-7/8" x 4-3/8"
Replace the filter every 6 months, depending on the environment may need to be replaced more often.
FAST SHIPPING
Orders placed by 5 PM EST typically ship the same day so your filters arrive fast and ready to use. We carry all popular sizes and offer free shipping on purchases over $50, making it easy to keep clean air flowing and your system running smoothly.
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HERITAGE
For over seven decades our family has been dedicated to helping homeowners breathe easier. What began as a small-town HVAC shop has grown into a trusted online destination for quality air filters and supplies, still driven by the same care and values that started it all.
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QUALITY
We offer filters and home comfort essentials from trusted names like Lennox, Honeywell, Filtrete, and Aprilaire. Each order is packed with care and delivered fast. With Discount Furnace Filter you can expect top brands, responsive support, and better air for your home.
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