Using this inner filter is easy. First, turn off and unplug your Electrolux UltraPower ZB5000 Series vacuum cleaner. Then, open the filter compartment and remove the old filter. Put the new filter in place and close the compartment. Make sure it's properly sealed. When using the vacuum, don't overfill the dustbin as it can put extra strain on the filter. For maintenance, check the filter regularly. If it looks dirty, you can gently tap it to remove large debris. You can also rinse it under lukewarm water, but make sure it's completely dry before putting it back in the vacuum. Remember, using the right filter like this genuine part ensures your vacuum works at its best and lasts longer.