Your search for "XN-FAN-001-F" revealed the following:
NEW Extreme XN-FAN-001-F VSP 7400 Series Front-to-Back Airflow Switch Fan
SKU: NSN-4653
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Extreme XN-FAN-001-F VSP 7400 Series Front-to-Back Airflow Switch Fan
SKU: NSH-8531
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days