Abstract: An odor elimination device for a toilet is provided. The device includes a “U”-shaped piece, a “Z”-shaped piece, and a plurality of sealing gaskets. The “U”-shaped piece is configured to be connected with a water inlet of the toilet, and the “Z”-shaped piece is configured to be connected with an exhaust tube. The “U”-shaped piece has a central orifice configured to be connected to the toilet and has two rectangular, parallel outlets separated by a recess in communication with the central orifice. The “Z”-shaped piece has two rectangular, parallel inlets configured to fit into the corresponding outlets of the “U”-shaped piece and are sealed by gaskets at a hollow vertical structure of the “Z”-shaped piece. A back face of the hollow vertical structure is configured to be connected to the exhaust tube via an outlet tube. The sealing gaskets sealing the “U”-shaped piece between the toilet and the flush tank.