Open-Box: 3M Filtrete Allergen Defense Furnace Filter 16x25x1 2-PACK
Open-Box: 3M Filtrete Allergen Defense Furnace Filter 16x25x1 2-PACK - Very Good is backordered and will ship as soon as it is back in stock.
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Used - Like New: This product has been opened and may have been lightly used. The product is in perfect working condition but may have slight cosmetic blemishes. All product accessories and manuals are included. It is in its original manufacturer packaging that will show signs of previous shipping.
Used - Very Good: This product has been opened and lightly used. It is in very good working condition but may have cosmetic blemishes. All product accessories and manuals are included. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping.
Used - Good: This product has been opened and used. It is in good working condition but may have cosmetic blemishes. There may be missing accessories or manuals. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping. The original packaging may be over-boxed, if needed.
Used - Acceptable: This product has been opened and used. It is in good working condition but may have cosmetic blemishes. There may be missing accessories or manuals. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping. It may be over-boxed, if needed.
Open-Box: 3M Filtrete Allergen Defense Furnace Filter 16x25x1 2-PACK - Very Good is backordered and will ship as soon as it is back in stock.
This Open-Box: 3M Filtrete Allergen Defense Furnace Filter 16x25x1 2-PACK has been fully inspected and tested to ensure proper functionality. You can buy confidently knowing every open-box comes with our 30-day money back guarantee. A great option if you're looking for quality and savings.
3M Filtrete Allergen Defense Filters use 3-in-1 technology to trap allergy-triggering particles like lint, dust, pollen, and pet dander plus smog and smoke.
Superior Performance
Filters are constructed from fibers arranged n numerous pleats which creates a larger surface area for trapping particles. Electrostatically charged, these filters attract and capture particles that fiberglass and non-electrostatic filters allow through.
Fibers are not dense enough to restrict airflow so allergens are trapped deeper inside the filter, and clean flows out into your home.
Furnace Filter Dimensions
Single packs are available in these sizes.
- 12-in x 12-in x 1-in
Packs of two are available in these sizes:
- 16-in x 20-in x 1-in
- 16-in x 25-in x 1-in
- 20-in x 25-in x 1-in
- 20-in x 30-in x 1-in
Filtrete recommends changing your filters every 3 months for optimum performance.
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MERV Rating11
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Lifetime (months)3
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Quantity Per Package22212
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Filter Depth/Thickness (in.)1.0
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Filter Size (W x L) (in.)20 x 2520 x 3016 x 2512 x 1216 x 20










