Practical Pleated Air Filter (2-Pack) - 21 3/4" x 23 3/4" x 5" Quantity:Default The "Practical Pleat" contains over

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

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

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To order washable electrostatic custom air filters you just need to know the size of the current air filter

Practical Pleated Air Filter (2-Pack) - 21 3/4" x 23 3/4" x 5" Quantity:Default The "Practical Pleat" contains overYes, 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