Your search for "xn-fan-001-r" revealed the following:
Extreme XN-FAN-001-R SLX 9150 Series Back-to-Front Airflow Switch Fan
SKU: NSB-0094
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme XN-FAN-001-R SLX 9150 Series Back-to-Front Airflow Switch Fan
SKU: NSN-0164
Condition: New
Shipping: Overnight Options
Warranty: 365 days