Logo
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)

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)

ADVERTISEMENT

Compare Buying Options

  • 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
    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

  • 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
    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)

    Delivery date & cost shown at checkout

  • 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
    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)

    Delivery date & cost shown at checkout

  • 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
    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)

    Delivery date & cost shown at checkout

  • Filterbuy 10x18x1 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    32.33
    Walmart

    Filterbuy 10x18x1 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy 16x20x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    52.32
    Walmart

    Filterbuy 16x20x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy 16x21x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    56.33
    Walmart

    Filterbuy 16x21x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy 16x25x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    47.78
    Walmart

    Filterbuy 16x25x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy 17.5x23.5x2 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    41.13
    Walmart

    Filterbuy 17.5x23.5x2 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy 17x17x1 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    34.03
    Walmart

    Filterbuy 17x17x1 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy 18x18x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    55.80
    Walmart

    Filterbuy 18x18x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy 18x20x2 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    36.82
    Walmart

    Filterbuy 18x20x2 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy 20x20x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold
    53.25
    Walmart

    Filterbuy 20x20x4 Merv 11 Pleated Hvac AC Furnace Air Filters (2-Pack), Gold

    Delivery date & cost shown at checkout

  • Filterbuy Merv 11 Pleated Furnace Filters 16 inch x 21 inch x 1 inch (2-Pack), Size: 16x21x1, Gold
    34.49
    Walmart

    Filterbuy Merv 11 Pleated Furnace Filters 16 inch x 21 inch x 1 inch (2-Pack), Size: 16x21x1, Gold

    Delivery date & cost shown at checkout

  • filterbuy 18x18x4 air filter merv 11 allergen defense (2-pack), pleated hvac ac furnace air filters replacement (actual size:
    82.58
    Sears

    filterbuy 18x18x4 air filter merv 11 allergen defense (2-pack), pleated hvac ac furnace air filters replacement (actual size:

    Delivery date & cost shown at checkout

View more

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

Popular Products