Using this Fisher & Paykel lint filter is easy. First, make sure your washer is turned off. Then, simply attach the filter bag to the top of the agitator. It's that simple! When using your washer, this filter will collect lint and debris, keeping your clothes cleaner. As for maintenance, it's a good idea to check the filter regularly, especially after several washes. If it's full of lint, just remove it from the agitator, empty the lint, and re - attach it. Also, always handle the filter gently to avoid any damage. With proper use and maintenance, this filter will serve you well for a long time.