Your search for "ICX7750-FAN-E" revealed the following:
NEW Ruckus Brocade ICX7750-FAN-E-SINGLE F-B Air (Port Side Intake) Switch Fan
SKU: NSN-0613
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 79.99
• 10 in stock
Call if you need more
Ruckus Brocade ICX7750-FAN-E Front-to-Back Airflow (Port Side Intake) Switch Fan
SKU: NSH-7527
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Ruckus Brocade ICX7750-FAN-E Fan Kit of 4 - F-B Airflow (Port Side Intake)
SKU: NSN-4952
Condition: New
Shipping: Overnight Options
Warranty: 365 days