Fltr Plt 20x21-5/8x1 Na (Pack of 12)

The Naturalaire standard MERV 8. The Naturalaire standard has an ASHRAE 52.2 rating of MERV 8. This filter is convenient to use and easy to replace. Ordinary furnace filters are designed to protect heating and cooling equipment from the insulating properties of relatively large airborne particles. The Naturalaire standard goes far beyond that, removing even those microscopic particles that can stain walls and furnishings or worse aggravate seasonal allergies. UPC: 031949523589 Manufacturer Part No: 84858.012021625 Width: 20 in. Height: 21-5/8 in. Depth: 1 in. Pleated: Yes Filter Class: Class II Product Type: Air Filter Trimmable: No Number in Package: 1 pk Electrostatic: No Filters Dust/Lint: Yes Filter Material: Pleated Actual Size: 19-7/8 x 21-1/2 x 3/4 in. Air Filter Size: 20x22x1 Filters Smoke: Yes Filters Bacteria: Yes Filters Pollen: Yes Filters Viruses: Yes Filter Frame Material: Clay Coated High Efficiency: Yes Metal Mesh Support: Yes Filters Mold Spores: Yes Brand Na