Practical Pleated Air Filter (2-Pack) - 18" x 24" x 5" Quantity:Default from the air stream

from the air stream

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Filtering inserts are anti-microbial and are more efficient in capturing particles

This is designed to fit into 1" Return Air Grilles

You never have to hassle with disposable filters that will end up in a landfill again

Practical Pleated Air Filter (2-Pack) - 18" x 24" x 5" Quantity:Default from the air streamYes, we even have the odd sizes! The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters. In general, the more efficient a filter is at removing particles, the greater it's resistance to airflow, and the greater the pressure drop it creates. One way to overcome this problem is to increase the surface area of the filter media. The "Practical Pleat" contains over 500% greater surface