New outside of the factory box.  Sold as is, no refunds or exchanges.

20 in. x  20in. x 4 in. Pleated Air Cleaner Replacement Filters (2pack)

Merv12

Improve your home's air quality with this Honeywell 20 in. x 20in. x 4 in. Pleated Air Cleaner replacement filter (two-pack). The electrostatically charged filters traps dust, mold and smoke. Lasting up to one year, the filter works effectively against dust, dirt, and pollen while absorbing odors in your home. It is designed to fit most 20 in. x 20in. x 4 in. boots.

• Pleated design
• Electrostatically charged
• Lasts up to 12 months
• Cardboard frame
• Designed to fit most 20 in. x 25 in. x 4 in. boots; actual filter size 19.75 in. x 24.875 in. x 4.375 in.