Home / Tools & Home Improvement / Filterbuy 13x21.5x1 Air Filter MERV 11 Pet & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 12.88 x 21.50 x 0.75)

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Filterbuy 13x21.5x1 Air Filter MERV 11 Pet & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 12.88 x 21.50 x 0.75)

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Description

UNIVERSAL COMPATIBILITY: 13x21.5x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 12.88" x 21.50" x 0.75")

MERV 11 PERFORMANCE: Protect your home or business from allergens, pets, and more with MERV 11 synthetic media (comparable with MPR 1200 & FPR 7) that captures 95% of dust without restricting air flow

LONG-LASTING FILTRATION: Electrostatically charged media with 14 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for optimal performance)

SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures

MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality that is trusted by millions of homes

We may earn commissions on qualifying purchases.

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-20%

$31 .96 $39.97

700+ sold last month

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-16%

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-11%

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-16%

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-15%

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$57 .57 $63.97

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$29 .67 $32.97

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Simply 14x14x1 Air Filter, Merv 13, 4 Pack, For Home AC Furnace & HVAC (Actual Size: 13.75"x13.75"x0.75") DUST, Pet, & Allergy Control

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$56 .97 $74.06

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$42 .98 $55.87

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-20%

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100+ sold last month

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$48 .59 $59.99

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$61 .96 $71.96

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-10%

$35 .97 $39.97

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$34 .17 $37.97

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$34 .99 $40.23

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-13%

$53 .99 $62.08

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-8%

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Filterbuy 21.5x23.25x1 Air Filter MERV 11 Pet & Allergy Defense (5-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 21.50 x 23.25 x 0.75)

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-20%

$31 .96 $39.97

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$47 .19 $59.90

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Filtrete 16x20x1 Air Filter, MERV 8, MPR 700, 4 HVAC Filters | Dust, Pollen, & Pet Dander, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, (Act. Size 15.68x19.68x0.78 in)

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500+ sold last month

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Filterbuy 16.38x21.5x1 Air Filter MERV 13 Smoke & Allergy Defense (6-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 16.50 x 21.50 x 0.75)

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Simply 20x30x1 Air Filter, Merv 11, 4 Pack, For Home AC Furnace & HVAC (Actual Size: 19.94"x29.94"x0.75") DUST, Pet & Allergy Control,

-11%

$39 .97 $44.97

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-16%

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-15%

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Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control

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$35 .07 $38.97

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-10%

$35 .97 $39.97

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Filterbuy 20x25x1 Air Filter MERV 11 Pet & Allergy Defense (6-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 24.50 x 0.75)

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$56 .94 $59.94

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$37 .96 $39.96

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$42 .99 $53.98

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-13%

$39 .16 $44.96

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$35 .45 $37.99

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AIRx Filters 20x30x1 Furnace & AC Filter MERV 13 Health 4-Pack | Electrostatic pleated MERV 13 filter traps dust, pollen, pet dander & smoke for cleaner, healthier air. Made in USA.

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Filterbuy 18x18x1 Air Filter MERV 10 Odor & Allergy Defense (3-Pack) | Electrostatic Pleated HVAC AC Furnace Replacement with Activated Carbon, Made in USA (Actual Size: 17.75 x 17.75 x 0.75)

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Filterbuy 20x20x1 Air Filter MERV 10 Odor & Allergy Defense (2-Pack) | Electrostatic Pleated HVAC AC Furnace Replacement with Activated Carbon, Made in USA (Actual Size: 19.50 x 19.50 x 0.75)

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Filterbuy 14x24x1 Air Filter MERV 10 Odor & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Replacement with Activated Carbon, Made in USA (Actual Size: 13.38 x 23.38 x 0.75)

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Simply 12x36x1 Air Filter, Merv 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 11.75"x35.75"x0.75") DUST, Pet, & Allergy Control

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Nordic Pure 15x20x1 Pleated MERV 14 Air Filters 3 Pack | Actual Size: 14 1/2 x 19 1/2 x 3/4 Made in USA, Pro Strength HVAC Filtration, Fine Particles, Dust, Pollen & Pet Dander

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Filterbuy 21.5x23.25x1 Air Filter MERV 11 Pet & Allergy Defense (5-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 21.50 x 23.25 x 0.75)

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