Additional Details ------------------------------ Product description: Corded Configuration Button Release 14 Inch L-shaped power nozzle for vacuum cleaners, backpacks, and central vacuums. Lindhaus engineered this accessory like a machine, it is equipped with the most sophisticated technical features in the world. Today the central vac, the canister vacuum and the back pack, can be equipped with the PB units, for an extraordinary increase in cleaning efficiency. ENGINEERED TO LAST Long service life and low vibration levels, are achieved with superior engineering and precision manufacturing. All rotating components are balanced and protected by electronic controls. ELECTRONIC LOGIC Proven integrated circuits protect the motor and the transmission from overload and assist the operator in making the most efficient brush height setting. DESIGN SUPERIORITY Rugged and efficient power brush picks up what others leave behind. The maintenance free power brush has a three year warranty on the cogged drive belt. With non-marking rubber tires and an electrical switch position to stop the power brush motor, the transition to hard floor saves time and reduces airborne dust.