Perfect fit for most 1-inch residential return grilles.

Longer lasting because you only have to change it once a year versus monthly to quarterly changes.

Increases efficiency and puts less strain on your heating/cooling equipment.

Superior Performance that captures 15 times more 0.3 micron particles than a typical 1-inch fiberglass filter.

Save energy by reducing buildup on heat exchangers and cooling coils.

Typical installation in wall or ceiling duct.

Available in both 2" and 4" models

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