A filter apparatus, including a dual-chambered, centrifugal and
compressive filtration apparatus having a central annular filter element,
rotating external radial fins extending from adjacent the filter element
to adjacent an outer cannister wall and internal fins within the annular
filter element. The disclosed filter element is a continuous resilient,
cylindrical, helical filter coil including a regular sinusoidal shape
defining loop-shaped filter pores between adjacent coils.