The HPE Rack Airflow Optimization Kit is designed to seal air gaps inside the rack, in between two bayed racks and the clearance from the floor to the rack. The HPE Rack Airflow Optimization Kit prevents hot exhaust air from the rear of the rack from reaching the front of the rack via pressure differential between the hot and cold aisles. This maximizes cold air intake from the servers, which improves datacenter cooling efficiency and reduces datacenter power usage. The HPE Rack Airflow Optimization Kit is designed to support all HPE 10000 Series (G1 and G2) rack heights including 22U, 36U, 42U, 47U. It also supports HPE 800mm wide racks.