High air intake; float shut off activates long before any moisture reaches the vacuum motor. The cone surrounding the float shut-off combines with the round tank to generate cyclonic action, forcing liquid and debris to the sides and bottom of the recovery tank and away from the vacuum motor. Large chemical-resistant rear wheels and front caster make the Colt extremely maneuverable. Colt power heads are free standing. Set them on the floor and run them to circulate air through the internal chambers, completely drying them after every use.