Square seawater filter

The utility model relates to a square seawater filter, comprising a shell and a filtering element which is arranged in the shell; the shell and the filtering element are of square structures; one end of the shell is provided with a water inlet pipe and the other end of the shell is provided with a water outlet pipe. The square seawater filter provided by the utility model has the characteristics of effective utilization of cabin space and simple structure; the filtering area is increased, the dirt is effectively filtered, the filtering element is cleaned conveniently, the cleaning times is reduced and the cost is reduced.