Your search for "jpsu-1100w-ac-afi" revealed the following:
Juniper JPSU-1100W-AC-AFI QFX Series 1100W AC B-F Air Switch Power Supply
SKU: NSH-9976
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper JPSU-1100-AC-AFI EX4300 Series 1100W AC B-F Airflow Switch Power Supply
SKU: NSB-7357
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days