The cutting disc operates at up to 3,000 rpm. A fluid-dynamics mulching chamber and dual-layer blades repeatedly cut the grass before airflow discharges the fine clippings back onto the lawn. The source describes a 3-in-1 FlowCut cutting system with a standard 200 mm cutting disc and an optional 300 mm large cutting disc, plus an axial fan for multi-stage mulching and anti-clogging.