Aprilaire 1413 Filter Conversion Kit
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Upgrade kit for Aprilaire and Space-Gard 2140 and 2400 . Converts these models to take the Aprilaire 413 filter instead of the Aprilaire 401 filter. The newer 413 filter is more efficient (MERV 13 instead of MERV 10) and easier to install (slides into cabinet on tracks). Conversion kit includes conversion frame and one 413 filter. No tools required to assemble conversion frame.
This filter kit is also sold under OEM part number S1-FRKIT1413 for units made by Coleman, Luxaire, Source1 and York.