Your search for "slx fan" revealed the following:

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 Cisco UCS-FAN-6248UP UCS Series Server Fan Module

SKU: NSN-8978
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco N7K-C7018-FAN Nexus 7000 Series 18-Slot Fan Tray

SKU: NSN-6795
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme Brocade BR-SLX-9240-32C-AC-F 32x 100GB QSFP28 F-B Airflow Switch

SKU: NSN-3851
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5110-FANAFO QFX5120 Series Front-to-Back Airflow Switch Fan Module

SKU: NSB-0380
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco ASR-9001-FAN-V2 ASR 9000 Series Router Fan Assembly

SKU: NSN-9702
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco NCS-1RU-FAN-FW NCS Series Front-to-Back Airflow Router Fan

SKU: NSN-9478
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5100-FAN-AFO QFX5100 Series Front-to-Back Airflow Switch Fan Module

SKU: NSB-0159
Condition: Seller refurbished
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 Cisco N5K-C5696-FAN Back-to-Front Airflow (Port Side Exhaust) Fan Module

SKU: NSN-0297
Condition: New
Shipping: Overnight Options
Warranty: 365 days