Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to install a brita filter [title] Read the instructions on the brita water filter cartridge packaging. [step] The installation method has changed within the last few years. If you have older models, you will need to presoak your filter in for 15 minutes in a glass of water.

Ending1: Brita water filters are the most straightforward and easy to operate. [substeps] Remember to keep the filter plugged in for the entire time you are working. Ending2: [substeps] For all recently purchased filters, follow the remaining instructions. [title] Remove the old filter and discard it. Ending3: Rinse the filter thoroughly by running it under cool, running water. [substeps] If your water filter contains a plastic cover, place it in a cool, dry location and replace the cover with fresh water. Ending4: If you have a new model (such as a ceramic model), you can skip this step. Set your brita to a temperature between 70-75 ° f (21-27 ° c).

Answer format: ending1/ending2/ending3/ending4