Naturalaire Pleated Filter 21-1/2 X 23-1/2 X 1 MERV 8 Synthetic Pleated Media Case 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.

• Height: 23-1/2 in.
• Width: 21-1/2 in.
• Filter Material: Synthetic
• Depth: 1 in.
• Pleated: Yes
• Product Type: Air Filter
• Trimmable: No
• Filters Dust/Lint: Yes
• Electrostatic: No
• Number in Package: 1 pk
• Actual Size: 21-3/8 x 23-3/8 x 3/4 in.
• Air Filter Size: 22x24x1
• Filters Viruses: Yes
• Filters Bacteria: Yes
• Filters Smoke: Yes
• Filters Pollen: Yes
• Filter Frame Material: Clay Coated
• Filter Class: Class II
• High Efficiency: Yes
• Metal Mesh Support: Yes
• Filters Mold Spores: Yes
• Brand Name: NaturalAire
• MERV/MPR Rating: 8 MERV