VAPORIZED FUEL TREATMENT DEVICE

A vaporized fuel treatment device mounted on a vehicle includes a canister configured to adsorb and desorb fuel vaporized in a fuel tank; and a filter case having an air inlet through which air is introduced into the canister. The filter case houses a filter to purify the air. The canister and the filter case are arranged in a wheel well outer edge portion of the vehicle. The filter case is disposed outside with respect to the canister in a vehicle width direction.