Overview
Literature

Whirlwind™ Disposable Air Filter

DeVilbiss Whirlwind™: Longer Life and Less Pressure Drop

Patented two-stage filter:

Stage 1 - Swirl Chamber- Removes large water droplets

Stage 2 - Filter Media - Removes smaller water droplets, oil droplets, and dirt particles

All other competitive filters:

Water droplets saturate the filter media - shortening the life of the filter

Smaller inlet surface area increases pressure drop

Whirlwind Comparison