FIGS. 11A to 11B show elevation top and cutaway side view of the exemplary air collimator 100 including conical air transfer diverters 205 of FIGS. 9 and 10. FIG. 11A is an elevation view showing the top of the exemplary air collimator 100; FIG. 11B is a cutaway side view showing one side of the exemplary air collimator 100.

An exemplary mounting design is seen FIGS. 11A to 11B whereby protrusions 320 are inserted into a chassis, and then tabs 310, 311 are screwed in place. This provides for easy removal of the air collimator 100 when necessary, e.g., to access fan hubs mounted below.

FIGS. 12A to 12C show example detail views of an exemplary air collimator 100 including conical air transfer diverters 205 and a separately controlled louver system 210 associated with an air collimator 100 in a multiple fan system, in accordance with the invention. FIG. 12A is a detailed view of the air collimator 100 showing the associated air transfer diverter 205 and louvers; FIG. 12B is a detailed close-up of a corner portion of the air collimator 100 identified in FIG. 12A; and FIG. 12C is a detailed close-up of an edge portion of the air collimator 100 shown in FIG. 12A.