Your search for "al1905a3f-e6" revealed the following:
Extreme AL1905A3F-E6 ERS 5900 Series 1400W AC F-B Airflow Switch Power Supply
SKU: NSH-9437
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 105.99
• Only 2 remaining
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NEW Extreme AL1905A3F-E6 ERS 5900 1400W AC F-B Airflow Switch Power Supply
SKU: NSN-3878
Condition: New
Shipping: Overnight Options
Warranty: 365 days