Using this Westinghouse crisper drawer support runner is easy. First, make sure your fridge is unplugged for safety. Then, locate the old support runner on the right - hand interior wall of the fridge and carefully remove it. Next, install the new support runner in its place. When it comes to maintenance, keep it clean by wiping it with a soft, damp cloth regularly. As for things to note, always check your fridge model number before purchasing. If it doesn't match the listed models, this runner might not fit properly. Also, when handling the runner, be gentle to avoid any damage.