AAF Flanders NaturalAire 21 in. W x 20 in. H x 1 in. D 8 MERV Pleated Air Filter (Pack of 12) tier-discount-2 Manufacturer Part No: 101163

Manufacturer Part No: 101163

Manufacturer Part No: 888-506NL

Manufacturer Part No: BM0415

including doors

Average Lead Content: Lead-Free

AAF Flanders NaturalAire 21 in. W x 20 in. H x 1 in. D 8 MERV Pleated Air Filter (Pack of 12) tier-discount-2 Manufacturer Part No: 101163The 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