Tips to learn Replace Your Water Filter Yourself When you buy replacement fridge water filter or refrigerator filters from home depot or lowesor from filterswell.com online.Make sure you have the correct replacement filter and have a towel handy to collect any water that drips or spills during the exchange. Your refrigerator manual should include replacement instructions for your specific model, so follow your instructions. You may need to unplug the refrigerator or turn off the breaker for the unit. You may also need to turn off the water supply line that runs to the refrigerator. General replacement steps are below.Step...