Using this hook is easy. Just find the right spot on the right - hand door of your 680 or 790 series Fisher & Paykel fridge and attach it through the 3 holes. Make sure it's firmly in place. When installing, keep in mind that it's only for the models mentioned, like E521TR etc. As for maintenance, a simple wipe with a damp cloth every few months will keep it clean. Avoid using harsh chemicals as they might damage the plastic. If you notice any signs of wear or it stops working properly, it's time to replace it. With over 25 years of experience, we're here to support you if you have any questions.