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20x20x4 (19.63x19.63x4.31) Filtrete Allergen Reduction Filter

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Filtrete 1550 Allergen Reduction Filter for Honeywell 20x20 air cleaners

• Designed for housings that accommodate 4 inch nominal size filters.
• Captures 97% of large airborne allergens, such as pollen, mold spores and dust mite debris.
• Robust frame construction enhances quality and ensures high durability at the shelf.
• Lasts up to 12 months.

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