Filterbuy 16x21x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 16.00 x 21.00 x 3.63 Inches)

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Amazon.com Filterbuy 10x10x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 9.50 x 1.75	$31.06	Delivery date & cost shown at checkout

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Amazon.com Filterbuy 16x21x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 16.00 x 21.00 x 3.63	$56.33	Delivery date & cost shown at checkout

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Amazon.com Filterbuy 16x30x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.69 x 29.69 x 1.75	$42.89	Delivery date & cost shown at checkout

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Amazon.com Filterbuy 17x25x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 16.50 x 24.50 x 3.63	$59.15	Delivery date & cost shown at checkout

Amazon.com Filterbuy 18x18x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 17.50 x 3.63	$55.80	Delivery date & cost shown at checkout

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Amazon.com Filterbuy 20x20x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75	$39.52	Delivery date & cost shown at checkout

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Walmart 10x30x1 Air Filter Merv 11 Allergen Defense (2-Pack), Pleated Hvac AC Furnace Air Filters Replacement (Actual Size: 9.50 x 29.50 x 0.75 Inches)	$28.75	Delivery date & cost shown at checkout

Walmart 15x25x4 Air Filter Merv 11 Allergen Defense (2-Pack), Pleated Hvac AC Furnace Air Filters Replacement (Actual Size: 14.50 x 24.50 x 3.75 Inches)	$43.70	Delivery date & cost shown at checkout

Walmart 18x20x1 Air Filter Merv 11 Allergen Defense (2-Pack), Pleated Hvac AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 0.75 Inches)	$28.71	Delivery date & cost shown at checkout

Walmart 23.5x23.5x1 Air Filter Merv 11 Allergen Defense (2-Pack), Pleated Hvac AC Furnace Air Filters Replacement (Actual Size: 23.50 x 23.50 x 1.00 Inches)	$28.71	Delivery date & cost shown at checkout

Walmart Filterbuy 10x18x1 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold	$32.33	Delivery date & cost shown at checkout

Walmart Filterbuy 16x20x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold	$52.32	Delivery date & cost shown at checkout

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Walmart Filterbuy Merv 11 Pleated Furnace Filters 16 inch x 21 inch x 1 inch (2-Pack), Size: 16x21x1, Gold	$34.49	Delivery date & cost shown at checkout

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Bonanza Filterbuy 16X20X4 Air Filter Merv 11, Actual Size: 15.50 X 19.50 X 3.63 Inches	$67.92	Delivery date & cost shown at checkout

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Delivery date & cost shown at checkout
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Trane 17.5x27x1 MERV 11 Aftermarket Replacement Filter (1 Filter)
Delivery date & cost shown at checkout
31.06
Amazon.com
Filterbuy 10x10x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 9.50 x 1.75
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Filterbuy 10x18x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 17.50 x 0.75
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Filterbuy 11.25x23.25x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.25 x 23.25 x
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Filterbuy 12x24x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.38 x 23.38 x 1.75
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Filterbuy 13.25x13.25x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.25 x 13.25 x
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Filterbuy 13x21.5x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.00 x 21.50 x 1.75
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Filterbuy 14x16x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 14.00 x 16.00 x 0.75
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Filterbuy 14x24x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.50 x 23.50 x 1.75
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Filterbuy 16x18x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 17.50 x 0.75
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Filterbuy 16x20x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 3.63
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Filterbuy 16x21x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 16.00 x 21.00 x 3.63
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Filterbuy 16x25x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 24.50 x 3.63
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Filterbuy 16x30x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.69 x 29.69 x 1.75
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Filterbuy 17.5x23.5x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 23.50 x
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Filterbuy 17x17x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.00 x 17.00 x 0.75
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Filterbuy 17x25x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 16.50 x 24.50 x 3.63
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Filterbuy 18x18x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 17.50 x 3.63
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Amazon.com
Filterbuy 18x20x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 1.75
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Filterbuy 18x21x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 18.00 x 21.00 x 0.75
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Amazon.com
Filterbuy 20x20x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 3.63
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Filterbuy 20x24x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 23.38 x 3.63
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Filterbuy 24x24x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 1.75
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Filterbuy 30x30x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 29.50 x 29.50 x 1.75
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36.65
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Filterbuy 8x8x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 8.00 x 8.00 x 0.75
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28.75
Walmart
10x30x1 Air Filter Merv 11 Allergen Defense (2-Pack), Pleated Hvac AC Furnace Air Filters Replacement (Actual Size: 9.50 x 29.50 x 0.75 Inches)
Delivery date & cost shown at checkout
43.70
Walmart
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Delivery date & cost shown at checkout
28.71
Walmart
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Delivery date & cost shown at checkout
28.71
Walmart
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32.33
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34.49
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82.58
Sears
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67.92
Bonanza
Filterbuy 16X20X4 Air Filter Merv 11, Actual Size: 15.50 X 19.50 X 3.63 Inches
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Product Details

16x21x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 16.00" x 21.00" x 3.63")

MERV 11 synthetic media (comparable with MPR 1000 - 1200 & FPR 7) protects homes from pets, allergies, and more by trapping 95% of airborne particles without impacting air flow

High quality construction features an electrostatically charged design with 8 pleats per foot that captures more harmful particles and lasts 3x longer than fiberglass models (replace every 90 days for best performance)

Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures

Industrial grade components are 100% manufactured in the United States and designed with recyclable materials

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Filterbuy 16x21x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 16.00 x 21.00 x 3.63 Inches)

Compare Buying Options

24x25x4 Air Filter (2-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 23.75 x 24.75 x 3.63 Inches)

Trane 17.5x27x1 MERV 11 Aftermarket Replacement Filter (1 Filter)

Filterbuy 10x10x2 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 9.50 x 1.75

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