1 • Rainwater flow is controlled by baffles.

2 • Then collected in a small sump.

3 • It flows over the sump lip and is evenly distributed over the first filter step of the cascades.

4 • The primary cascade filters out larger particles and leaves etc.

5 • Below the primary cascades is a fine filter, which removes all particles over 550 microns.

6 • Both coarse and fine dirt is discharged through the front of the filter.

7 • The clean water passes out of the filter outlet, to the systems point of use or storage.