"3M" ULTRA ALLERGEN REDUCTION FILTER 90% of large allergens like mold spores and pet dander from the air passing through the filter Microscopic allergens like dust, smoke and smog particles Bacteria and particles that can carry viruses The ultimate filter for allergy sufferers Outperforms by 25% all other 1" filters 15% better airflow than Red Filtrete Lasts 3 months Meets the American Lung Association Health House Indoor Air Quality Guidelines No unnecessary antimicrobial chemicals added; Filtrete filtering material will not support the growth of bacteria, mold, mildew or fungi in normal use 1250 performance rating Mini-pleats for ultimate particle retention Shrinkwrapped 12" x 36" x 1"
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