To provide a spray booth that allows easy addition of a fan unit thereto and easy reduction of the same therefrom and can adjust its suction force according to its applications even if an inexpensive and simple fan unit is employed, and a kit for a spray booth.

A spray booth 1 includes a box body 2 equipped with a suction port 3 for sucking fog-like particles together with air and an air discharge port 4 for discharging the air sucked from the suction port 3, a fan-unit installation board 5 equipped with an opening 51 that can detachably be attached to the air discharge port 4, and a fan unit 6 that can detachably be attached to the opening 51. A kit 9 for a spray booth to be applied to the spray booth 1 includes an installation board for replacement 8 equipped with at least two openings 81, and one fan unit 6 that can detachably be attached to the openings 81.