Features:
- This 20" x 30" fiberglass disposable air filter is made of progressively dense layered fiberglass media.
Features and Specs:
- The layers consist of looser fibers at the front that filter larger particles of dirt and lint
- The layers become increasingly dense to collect finer particles like dust and pollen
- These fibers are also treated with an adhesive which prevents fibers from breaking off and traveling into the airstream
- The 1" depth filters are enclosed in a rigid chipboard frame with a fiberglass scrim backing for stability, allowing for for safe installation, removal and disposal
- Commonly used in applications such as industrial, commercial, restaurant, school and office buildings
