New in the opened factory packaging. Missing 2 filters. Sold as is, no refunds or exchanges. 

Filtrete Clean Living Dust Reduction AC Furnace Air Filter, MPR 600, 20 x 20 x 1-Inches, 6-Pack

• Electrostatic micro particle air filter MPR 600
• Captures large airborne allergens including mold spores, pollen and large dust particles
• Good for high velocity equipment
• Attracts and captures large airborne allergens including pollen, mold spores and dust mites