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NaturalAire Standard Pleated Furnace Filter, 18 x 25 x 1-In.

NaturalAire

$227.88
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18" x 25" x 1", naturalaire standard pleated filter, has an ashrae 52.2 rating of merv 8, convenient to use & easy to replace, ordinary furnace filters are designed to protect heating & cooling equipment from the insulating properties of relatively large airborne particles, naturalaire standard goes far beyond that, removing even those microscopic particles that can stain walls & furnishings, or worse, aggravate seasonal allergies.