AAF Flanders NaturalAire 19-1/2 in. W x 21-1/2 in. H x 1 in. D Pleated 8 MERV Pleated Air Filter (Pack of 12) Patio Umbrella Inflatable: No

Inflatable: No

Maximum Temperature: 158 °F

Depth: 37 in

Generous under-head fillet allows nails to be driven flush or countersunk without crushing surrounding wood

AAF Flanders NaturalAire 19-1/2 in. W x 21-1/2 in. H x 1 in. D Pleated 8 MERV Pleated Air Filter (Pack of 12) Patio Umbrella Inflatable: NoThe 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