Practical Pleated Air Filter (2-Pack) - 18 3/8" x 21 1/8" x 5"Yes, 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

The SpeedLight䋢 Jr

so it can provide a lifetime of dependable service

compact electronic power supply

PLEASE NOTE: Dimensions listed are HxWxD

This is designed to fit into 1" Return Air Grilles

You may know them as washable air or even permanent air filters

and long service life which reduces HVAC equipment maintenance and energy costs

Simply cut a hole

the more efficient a filter is at removing particles

the A+2000 uses stage loading

Keeps HVAC system cleaner and more efficient

Eliminates Filter Bypass