Frost King adjustable sill threshold, 5-5/8 in width, 36 in length, 1-5/16 in height, aluminum, mill. Frost King door thresholds come in both residential and commercial grades and also in a variety of finishes. Aluminum and ...

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Frost King adjustable sill threshold, 5-5/8 in width, 36 in length, 1-5/16 in height, aluminum, mill. Frost King door thresholds come in both residential and commercial grades and also in a variety of finishes. Aluminum and oak available.

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