Using this Fisher & Paykel Dishdrawer drain filter is a breeze. First, locate the base of your dishdrawer where the old filter is. Remove the old filter carefully. Then, take your new filter and place it in the same spot. Make sure it fits snugly. When it comes to maintenance, it's a good idea to clean the filter regularly. You can do this by taking it out and rinsing it under warm water to remove any debris. As for safety, always make sure the dishdrawer is turned off before you start handling the filter. Also, keep in mind that this part is discontinued, so if you have any issues, use the recommended replacement part FP524828.