Abstract: An adjustable deflector device is provided for selective positioning above the ventilator of a cooking range of the type where the ventilator is disposed adjacent to and flush with the cooking range heating elements. The deflector device comprises support means having first and second ends, the first end includes a first support portion and the second end includes a second support portion. The first and second portions are disposed at an angle with respect to each other. The first end is movably attached to the cooking range so that the first support portion is positioned at an angle with respect to the range. The first support portion is rotatable and extendable about its longitudinal axis. The second support portion includes a deflector portion having a width at least equal to the exhaust means and a length substantially equal to the exhaust means.