More About Lanced Return Air Filter Grilles (659T Series)
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The 659T Series Lanced Return Air Filter Grilles with 1/3" Fin Spacing by Hart & Cooley provide steel construction, a lanced-face design with 1/3" fin spacing, flush, removable face with concealed latches and hinges can be installed in any direction, and uses standard 1" disposable filters (not furnished). They come in a bright white finish. the 659TI Series comes with an insulated fiberglass backing.