Your search for "17115" revealed the following:

NEW Extreme 17115 SLX 9030 Series Front to Back Airflow Switch Fan

SKU: NSN-5848
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Extreme 17115 SLX 9030 X590 Series Front-to-Back Airflow Switch Fan

SKU: NSH-8598
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days