Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to filter wine [title] Obtain a gravity flow filter. [step] This method of filtering is the cheapest of all the filtration methods. It works by connecting the filter body, containing a filter pad, with a siphon tube.

Ending1: However, it's harder to install a gravity flow filter straight from the bottle, making it worth the effort to order one. [substeps] To order a gravity flow filter, find the kalamata steps section of this article. Ending2: A gravity flow filter pad is identified by a graphic housing on the underside of the pad. [substeps] Turn on the nozzle of your gravity flow filter pad. Ending3: But it's more expensive than the other methods. Here are some basic basic siphoning methods. Ending4: The siphon tube pushes the wine through the filter. [substeps] This is the cheapest method, but it is also the slowest.

Answer format: ending1/ending2/ending3/ending4