Y-shaped filter

The utility model discloses a Y-shaped filter. Y-shaped filter body, a filter pipe is obliquely arranged at the lower end of the Y-shaped filter body; a sealing annular groove is formed in the inner side of one end surface of the filter pipe; the end surface of the other end of the filter pipe extends outwards to form a convex part; external threads are arranged on the outer sides of the convex parts; a first annular groove is formed in the upper end surface of the convex part; a first sealing ring is embedded in the first annular groove; a filter cartridge is arranged in the filter pipe; thefilter cartridge consists of a first filter screen and a second filter screen from outside to inside; a second sealing ring is embedded into one end of the filter cartridge; a second sealing ring is embedded into the sealing annular groove, a third sealing ring is embedded into the other end of the filter cartridge, the third sealing ring is embedded into a sealing cover, an annular step is arranged on the sealing cover,