Using this vacuum cleaner hose is easy. First, locate the machine end of the hose. It has a diameter of 39.5mm and two opposing push - to - release clips. Align it with the corresponding opening on your Volta Mega or Ultima vacuum cleaner and press the clips to secure it in place. The bent end piece with a diameter of 33.7mm can be inserted into the standard 35mm pipe. Just make sure it fits snugly. When using the vacuum, handle the 40cm long bent end handle with care. As for maintenance, regularly check the hose for any blockages. If you find debris, gently remove it. Avoid pulling the hose too hard as it might damage the clips or the hose itself. With proper use and care, this hose will serve you well for a long time.