The D series vacuum cleaner is an instant success with GHI. Red Dot Award and other organisations approving this model for its excellent new filtration design and usage. SEBO also add the ET-1 power head option and handle remote control with the white D4 model called the "D4 Premium", and in late 2011, a commercial version known as the "Professional D" is also launched with an pigtail interchangeable industry manual cord, low eco friendly 1200 watt motor and a design specifically catered for the commercial market.