Your search for "QFX10002-FAN" revealed the following:
Juniper JNP10002-FAN1 QFX10002 Series Front-to-Back Airflow Switch Fan
SKU: NSB-5043
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX10002-FAN QFX 10002 Series Switch Fan Tray
SKU: NSH-9967
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days