PROLINE™ server cabinet with fan and filter package made of welded 12 gauge steel frame with integral struts. Three-point locking handles on all doors provide easy but controlled access; two keys included. Fully welded frame safely supports sensitive equipment. Gasketed covers and air intake filters keep contaminants away from equipment, reducing maintenance cost. Two sets of 19 inch rack angles support both front and rear of equipment. Rack angles are infinitely adjustable from front to rear for positioning flexibility. Fan and filter package provides up to 600 CFM of filtered air to help keep equipment cool. Removable filters can be cleaned to maintain optimal performance. Mobile base provides easy placement of cabinet. Levelers and anti-tip bracket secure cabinet to the floor. 42 rack unit. Square type hole.