• Shop
  • Ideas & resources
  • Contact
  • Elephant Materials
  • Elephant Materials

    Shop

    Deals

Categories

  • Automotive
  • Electrical
  • Farm and Ranch
  • Fasteners
  • Hand Tools
  • Hardware
  • Heating and Cooling
  • Housewares
  • Lawn and Garden
  • Outdoor Living and Patio
  • Paint and Sundries
  • Pet and Wild Bird
  • Plumbing
  • Power Tools and Acc
  • Sporting Goods
  • Store and Office Supplies
  • Uncategorized
  • Shop
  • Ideas & Resources
  • Contact Us
Home > Heating and Cooling > Heat and Air Conditioning > Air Filtration > Air Filters Standard > AAF 121A21A1A12 Air Filter, 21 in L, 21 in W
AAF SKU: 6953814

AAF 121A21A1A12 Air Filter, 21 in L, 21 in W

$3.99

  • Filter Media: Fiberglass
  • Length: 21 in
  • Thickness: 1 in
  • Width: 21 in
  • Model #: 121A21A1A12
  • UPC #: 031949152789
  • SKU: 6953814
Inquiry Now

    First and Last Name*

    Phone*

    Email*

    Additional Message

      Product Overview

      Product Details

      Panel filter utilizing the Purolator monobond concept of a one-piece frame sealed to the media using heat and pressure. Fiberglass media is evenly coated with a gel adhesive to prevent finer particle migration. Full depth loading and high dust holding capacity. Filter media has a skin backing and is evenly coated with a jelled adhesive. UL Class 2.

      Item Specifications

      Filter MediaFiberglass
      Length21 in
      Thickness1 in
      Width21 in

      MORE DETAILS:

      • Application: For central air conditioners and furnaces

    Frequently Bought Together

    The gear you trust from the brands you know.

    Imperial KK0308 Refractory Cement, Paste, Buff/Tan, 128 fl-oz Tub

    Imperial KK0308 Refractory Cement, Paste, Buff/Tan, 128 fl-oz Tub

    ☆☆☆☆☆
    0 reviews
    $44.99
    Explore
    Dial 3438 Filter Media, Rigid, Cellulose, For: PM200 8 in 6800 cfm Grooved Single Inlet Cooler

    Dial 3438 Filter Media, Rigid, Cellulose, For: PM200 8 in 6800 cfm Grooved Single Inlet Cooler

    ☆☆☆☆☆
    0 reviews
    $129.99
    Explore
    AAF 114251 Air Filter, 25 in L, 14 in W, Chipboard Frame

    AAF 114251 Air Filter, 25 in L, 14 in W, Chipboard Frame

    ☆☆☆☆☆
    0 reviews
    $2.79
    Explore
    Kero World 27522 Kerosene Replacement Wick, Fiberglass

    Kero World 27522 Kerosene Replacement Wick, Fiberglass

    ☆☆☆☆☆
    0 reviews
    $16.99
    Explore
    Filtrete HOME21-4 Air Filter, 24 in L, 18 in W

    Filtrete HOME21-4 Air Filter, 24 in L, 18 in W

    ☆☆☆☆☆
    0 reviews
    $16.99
    Explore
    Dundas Jafine E3E24ZW Vent Elbow, 3 in Connection, Aluminum

    Dundas Jafine E3E24ZW Vent Elbow, 3 in Connection, Aluminum

    ☆☆☆☆☆
    0 reviews
    $8.99
    Explore
    PowerZone QT-U409-D Desk and Clip-On Fan, 5 VDC, 4 in Dia Blade, 3-Blade, 1-Speed, 48 in L Cord

    PowerZone QT-U409-D Desk and Clip-On Fan, 5 VDC, 4 in Dia Blade, 3-Blade, 1-Speed, 48 in L Cord

    ☆☆☆☆☆
    0 reviews
    $14.99
    Explore
    Imperial RG0261 Floor Register, 5-1/4 in L, 12 in W, Steel, Slate Gray, Powder-Coated

    Imperial RG0261 Floor Register, 5-1/4 in L, 12 in W, Steel, Slate Gray, Powder-Coated

    ☆☆☆☆☆
    0 reviews
    $15.99
    Explore
    Filtrete 723-4 Air Filter, 24 in L, 14 in W, 8 MERV, 700 MPR

    Filtrete 723-4 Air Filter, 24 in L, 14 in W, 8 MERV, 700 MPR

    ☆☆☆☆☆
    0 reviews
    $10.99
    Explore
    BestAir 3US Humidifier Water Treatment, 32 oz

    BestAir 3US Humidifier Water Treatment, 32 oz

    ☆☆☆☆☆
    0 reviews
    $9.99
    Explore
    Placeholder

    Rutland 76 Silicone Sealant, Black, 24 hr Curing, 10.3 oz, Cartridge

    ☆☆☆☆☆
    0 reviews
    $21.99
    Explore
    Air King BFQ110 Exhaust Fan, 8-11/16 in L, 9-1/8 in W, 0.5 A, 120 V, 1-Speed, 100 cfm Air, ABS, White

    Air King BFQ110 Exhaust Fan, 8-11/16 in L, 9-1/8 in W, 0.5 A, 120 V, 1-Speed, 100 cfm Air, ABS, White

    ☆☆☆☆☆
    0 reviews
    $52.99
    Explore

    Shop By Brands

    Products we think you’ll like.

    Air King
    AIR KING AMERICA
    ALEXANDRIA Moulding
    ALUF Plastics
    American Stairways
    Arrowhead Brass
    Audubon Park
    Briggs & Stratton
    Carpenter Air Tools
    Charlotte Pipe
    chicago metallic
    Cobra Anchors

    Products

    • Centurion CCL 4 Custom Color Label, 2-1/8 in W
    • PRICING LABEL WHITE 3/4X7/16IN
    • Duck 288120 Envelope, #5, Paper, Beige
    • PACKAGING TAPE M&S 48MM X 50M
    • Monarch 1136W2 Pricing Label, 5/8 in L, 3/4 in W
    • Duck 1139951 Packing Paper, 24 in L, 24 in W, White

    Categories

    • Hardware
    • Plumbing
    • Fasteners
    • Electrical
    • Power Tools and Acc
    • Hand Tools

    Brands

    • DEWALT
    • PROSOURCE
    • Milwaukee
    • National Hardware
    • Rust-Oleum
    • Weber

    Privacy & Use

    • Shipping & Delivery
    • Privacy Policy
    • Return Policy

    Copyright ©2026 Elephant Elephant Materials. All rights reserved.
    Don't get scammed by emails or websites pretending to be Elephant Materials.

    Connect With Elephant Materials

    instagram facebook