Your search for "slx fan" revealed the following:

Cisco FAN-T3-F Catalyst 3850 B-F Airflow Switch Fan Module for the 3850-48XS

SKU: NSH-5696
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco NXA-FAN-35CFM-PE Nexus 9000 Back-to-Front Airflow Switch Fan Module

SKU: NSN-0437
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper SRX5600-FAN SRX Series Fan Tray for SRX5600

SKU: NSH-5674
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C4KX-FAN-R Catalyst 4500-X Series Front-to-Back Airflow Switch Fan

SKU: NSN-9095
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper SRX1400-FAN SRX1400 Series Services Gateway Fan Tray

SKU: NSH-8966
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5110-FANAFI QFX5110 Series Back to Front Airflow Switch Fan

SKU: NSH-9320
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco FAN-T3-F Catalyst 3850 B-F Airflow Switch Fan Module for the 3850-48XS

SKU: NSN-6869
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper SRX5800-FAN SRX5800 Series Services Gateway 6x Fan Tray

SKU: NSB-0350
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme XN-ACPWR-750W-F SLX 9150 Series 750W AC F-B Air Switch Power Supply

SKU: NSN-0153
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5110-FANAFI EX4650 Series Back to Front Airflow Switch Fan

SKU: NSB-9565
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days