The 670051-001 is an HP System Fan and Baffle Kit intended for the HP Z800 WorkStation to maintain proper cooling. It is listed as weighing 5.00 LBS.
Systems Maintenance Techs
Mid-Lifecycle Capacity Expansion
"As a genuine HP component, the 670051-001 ensures 100% compatibility for Mid-Lifecycle Capacity Expansion. It is an essential part for Systems Maintenance Techs tasked with hardware lifecycle maintenance."