Description
11.5″ x 23.5″ 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, removes even those microscopic particles that can stain walls & furnishings, or worse aggravate seasonal allergies.
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