A solution dispensing bottle assembly adapted for snap-locking to a water extraction cleaning machine is shown. The bottle assembly includes a bottle having a tapered neck with an adapter telescopically mounted on the tapered neck. The adapter includes a pair of flexible flanges having apertures provided thereon. In mounting the bottle assembly to a known water extraction cleaning machine, the flexible flanges receive inwardly extending lugs provided on the machine in a snap- fit interlocking manner. The bottle is quickly removed from the machine by squeezing the flexible flanges inwardly a sufficient distance to remove the opposed lugs from the flange apertures and then sliding the bottle assembly away from the lugs.
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