Flanders Ez Flow Ii Merv 4 Economy Fiberglass Air Filter 20X20X1 Inch


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Item Number :503865

UPC Code : 49403013040

UNSPSC Code : 40161505

Brand :Flanders


Economical fiberglass E-Z Flow II disposable filters are designed for furnace and central air unit protection in residential and light commercial applications. Their composition includes:

  • Heavy Chipboard Frame in a One-Piece Design
    • Eliminates Corner Separation
  • Continuous Filament Spun Glass Filtering Media
  • Resinous Bonding Agent
    • Provides Rigidity and Resistance to Media Compression

Made to Function without a Retainer By:

  • Adhering the Frame Directly to the Media with a Light Skin
    • UL Marking Appears on the Filter Frame
  • Sealing with a Resilient Hot-Melt Adhesive
    • Runs the Full Perimeter on Upstream and Downstream Sides

Tested for Quality

These furnace filters have been tested by Underwriters Laboratories Inc. They're classified as UL 900 Class 2 for flammability and have a MERV 4 rating.


Our furnace filters are priced individually. However they're sold in case quantities only.