4Cabling 1RU Digital Temperature Unit with 2 Way Cooling Fans_x000D_ _x000D_ 4Cabling standard 19" 1RU Digital Temperature Unit with 2 Way Cooling Fans. Complete with a digital and programmable temperature controller. This cooling fan makes sure that your sensitive equipment is protected against the heat and makes sure that the equipment works as it is meant to._x000D_ _x000D_ FEATURES_x000D_ Easy mounting_x000D_ Keeps rack cool_x000D_ The fan module attaches at any level in the rack occupying 1RU_x000D_ Fan noise level of 38-40db(A)_x000D_