10x20x1 (9.7 x 19.7) Filtrete Allergen Defense 1000 Filter by 3M $61.78 Features1000 Performance 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... Compare Add to Cart
10x20x1 (9.7 x 19.7) Filtrete Dust Reduction 600 Filter by 3M $40.27 Features600 Performance Rating.Up to 20 times more effective at capturing micro particles than ordinary fiberglass filters.Captures large, airborne allergens like mold spores and large dust particles... Compare Add to Cart
10x20x1 (9.7 x 19.7) Filtrete Ultimate Allergen Reduction 1900 Filter by 3M $87.17 Features1900 Performance Rating.No competitor's 1" filter performs better.26% more efficient then the Filtrete Advanced Allergen Filter.93% effective at capturing large airborne allergens, such as... Compare Add to Cart
10x20x1 (9.7 x 19.7) Ultra Allergen Reduction 1500 Filter by 3M $81.74 Features1250/1500 Performance Rating.No competitor's 1" filter performs better.26% more efficient then the Filtrete Advanced Allergen Filter.93% effective at capturing large airborne allergens, such... Compare Add to Cart
12x12x1 (11.7 x 11.7) Filtrete Allergen Defense 1000 Filter by 3M $61.78 Features1000 Performance 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... Compare Add to Cart
12x12x1 (11.7 x 11.7) Filtrete Dust Reduction 600 Filter by 3M $40.27 Features600 Performance Rating.Up to 20 times more effective at capturing micro particles than ordinary fiberglass filters.Captures large, airborne allergens like mold spores and large dust particles... Compare Add to Cart
12x12x1 (11.7 x 11.7) Filtrete Ultimate Allergen Reduction 1900 Filter by 3M $87.17 Features1900 Performance Rating.No competitor's 1" filter performs better.26% more efficient then the Filtrete Advanced Allergen Filter.93% effective at capturing large airborne allergens, such as... Compare Add to Cart
12x12x1 (11.7 x 11.7) Ultra Allergen Reduction 1500 Filter by 3M $81.74 Features1250/1500 Performance Rating.No competitor's 1" filter performs better.26% more efficient then the Filtrete Advanced Allergen Filter.93% effective at capturing large airborne allergens, such... Compare Add to Cart
12x20x1 (11.7 x 19.7) Filtrete Allergen Defense 1000 Filter by 3M $61.78 Features1000 Performance 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... Compare Add to Cart
12x20x1 (11.7 x 19.7) Filtrete Dust Reduction 600 Filter by 3M $40.27 Features600 Performance Rating.Up to 20 times more effective at capturing micro particles than ordinary fiberglass filters.Captures large, airborne allergens like mold spores and large dust particles... Compare Add to Cart
12x20x1 (11.7 x 19.7) Ultra Allergen Reduction 1500 Filter by 3M $81.74 Features1250/1500 Performance Rating.No competitor's 1" filter performs better.26% more efficient then the Filtrete Advanced Allergen Filter.93% effective at capturing large airborne allergens, such... Compare Add to Cart
12x24x1 (11.6 x 23.6) Filtrete Allergen Defense 1000 Filter by 3M $61.78 Features1000 Performance 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... Compare Add to Cart
12x24x1 (11.6 x 23.6) Filtrete Dust Reduction 600 Filter by 3M $40.27 Features600 Performance Rating.Up to 20 times more effective at capturing micro particles than ordinary fiberglass filters.Captures large, airborne allergens like mold spores and large dust particles... Compare Add to Cart
12x24x1 (11.6 x 23.6) Ultra Allergen Reduction 1500 Filter by 3M $81.74 Features1250/1500 Performance Rating.No competitor's 1" filter performs better.26% more efficient then the Filtrete Advanced Allergen Filter.93% effective at capturing large airborne allergens, such... Compare Add to Cart
12x24x1 (11.7 x 23.7) Filtrete Ultimate Allergen Reduction 1900 Filter by 3M $87.17 Features1900 Performance Rating.No competitor's 1" filter performs better.26% more efficient then the Filtrete Advanced Allergen Filter.93% effective at capturing large airborne allergens, such as... Compare Add to Cart
12x30x1 (11.7 x 29.7) Filtrete Allergen Defense 1000 Filter by 3M $64.92 Features1000 Performance 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... Compare Add to Cart
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