Filtrete Micro Allergen Reduction Filters

Helps protect your home by reducing allergens in your air, Attracts and captures particles like household dust, lint, dust mite debris, mold spores, pollen, pet dander and smoke, Electrostatically charged to attract and capture microscopic airborne particles, Lasts up to 3 months, Manufactured by 3M, For residential use only. Type:1000 Micro Particle Performance Rating MERV 11 Type: 1003 Micro Particle Rating Dimensions: 20" x 20" x 1" Color: White Quantity: 1.