How to choose a right vacuum cleaner brush?

The nozzles and brushes are sized to the diameter of the vacuum cleaner tube. In Zelmer * vacuum cleaners the brushes are mounted inside the tube, the outer diameter of the brush is 31.5 mm, the inner tube diameter is 32 mm. In other vacuum cleaners the brush is mounted on the pipe, the inside diameter of the brush should be slightly larger than th ...

How often do you replace the vacuum cleaner filter?

The frequency of replacement of vacuum cleaner filters depends on the intensity of use of the vacuum cleaner. On average, it is recommended to change once every six months. However, if the vacuum cleaner works worse, it overheats or its suction power decreases, then changing the filter can improve the operation of the device. ...