Your search for "SLX Fan" revealed the following:
Cisco N56128-FAN-B Front-to-Back Airflow (Port Side Intake) Switch Fan Module
SKU: NSB-7095
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco UCS-FAN-6296UP UCS 6200 Series Router Fan Module
SKU: NSN-7969
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N2K-C2232-FAN-B Nexus 2000 Front-to-Back Airflow Switch Fan Module
SKU: NSN-0396
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX5100-96S-FANAFI QFX5100 Series B-F Airflow Switch Fan Module
SKU: NSN-4699
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco C9200-FAN Catalyst 9200 Series Switch Fan Module
SKU: NSB-3469
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco NCS-1RU-FAN-FW NCS Series Front-to-Back Airflow Router Fan
SKU: NSB-8167
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme Brocade BR-SLX-9140-48V-AC-R 48x 25 SFP28 6x QSFP28 B-F Air Switch
SKU: NSN-4589
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N2K-C2232-FAN Nexus 2000 Back-to-Front Airflow Switch Fan Module
SKU: NSN-0390
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper FFANTRAY-MX480 MX480 6x Fan HC Fan Tray
SKU: NSH-7433
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco N5K-C5696-FAN-B Front-to-Back Airflow (Port Side Intake) Fan Module
SKU: NSB-3226
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days