AAF Flanders NaturalAire 22 in. W X 22 in. H X 1 in. D Pleated 8 MERV Pleated Air Filter 1 pk (Pack of 12) VEL-C and other imperfections in concrete

and other imperfections in concrete or masonry surfaces

Head Type: Padlockable Surface Strike

Head Weight: 59 oz

Paneling or Planking Style: 550

Manufacturer Part No: 311UPSE90-1

AAF Flanders NaturalAire 22 in. W X 22 in. H X 1 in. D Pleated 8 MERV Pleated Air Filter 1 pk (Pack of 12) VEL-C and other imperfections in concreteThe 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