About the product
- AC/Furnace filter for capturing household irritants, improving air quality, and promoting furnace efficiency; 12 x 12 x 1 inch filters, 6-pack
- Merv 11 rating for residential use; comparable to MPR 1000-1200 and FPR 7
- Captures allergens between 1-10 microns including lint, fine dust, pet dander, and pollen
- Beverage board frame, wire mesh support, and electrostatically charged synthetic filter material
- For optimal results change filter every 60 to 90 days
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