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20 x 36 x 1 (19.7 x 35.7) Filtrete Allergen Defense 1000 Filter by 3M 4-Pack
Actual Size: 197⁄10 x 357⁄10$131.15 Pack Of 4 Free Shipping- 1000 Performance Rating, MERV 11 Rating.
- Up to 30 times more effective at capturing micro particles than ordinary fiberglass filters.
- Meets the American Lung Association's Health House Project indoor air quality guidelines.
- Outperforms all competitors' 3 month, 1" filters.
- Captures:
- Airborne micro particles, including smoke.
- Airborne allergens, including pollen, pet dander, mold and bacteria.
- Large particles like dust and lint.
- Up to 3 months of filtering performance.
- No unnecessary antimicrobial chemicals added. Filtrete filtering material will not support the growth of bacteria, mold, mildew or fungi in normal use.