Bypass level indicator

The utility model relates to a bypass level indicator. A metal float ball is arranged in a lower main body pipe which is an integral forming, a bypass pipe is formed at one side of the lower main body pipe, an upper main body pipe is fixedly connected with the lower main body pipe, a filter cartridge is arranged in the lower main body pipe and is fastened at the bottom of the filter cartridge by a cap nut. The filter cartridge can filter liquid dye and chopped cloth or fibers for preventing the flow meter of other pipe passages from being blocked; the lower main body pipe is easily welded with the upper main body pipe, which can save cost.