This seat will fit any Toto elongated toilet.
This product will fit most Toto elongated toilets. If your toilet is not a Toto, you may want to check out the spec sheet here & correspond the measurements of the seat, with those of your toilet.
The recommended toilet seat for all elongated toilets is SS114.
here is the spec sheet for the toilet. According to it the SS204 willl fit.
Yes this seat will work with the elongated drake.
The SS204 is made for most of the Aqui models and does not fit on all of Toto's toilets. The SS154 is a standard elongated soft close seat that will fit most standard elongated toilets.