Your search for "slx fan" revealed the following:
Cisco Meraki MA-FAN-18K F-B Fan Module for MX105, MX250, MX450 Firewalls
SKU: NSB-6419
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 29.99
• Only 2 remaining
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Cisco C6807-XL-FAN Catalyst 6807 Series Switch 9x Fan Tray
SKU: NSH-6787
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 355.99
• Only 2 remaining
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Cisco N9K-C9300-FAN2-B Back-to-Front Airflow (Port-Side Exhaust) Switch Fan
SKU: NSH-6126
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 72.99
• Only 2 remaining
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Cisco C9410-FAN Catalyst 9400 Series 10 Slot Switch Chassis Fan Tray
SKU: NSH-9252
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 551.99
• Only 2 remaining
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NEW Cisco N9K-C9300-FAN2-B Back-to-Front Airflow (Port-Side Exhaust) Switch Fan
SKU: NSN-7759
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 88.99
• 5 in stock
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HPE Aruba JL481A CX 8320 Series Front-to-Back Airflow Switch Fan
SKU: NSB-6690
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 125.99
• 9 in stock
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HPE Aruba J9832A 5400R zl2 Series Switch (6x Fan) Fan Tray
SKU: NSB-3253
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 79.99
• 7 in stock
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HPE Aruba JL714A CX 8360 Series Front-to-Back Airflow Switch Fan Module
SKU: NSB-8116
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 239.99
• Only 2 remaining
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Juniper QFX5100-FAN-AFO F-B Switch Fan Module for QFX5100 and EX4300 Series
SKU: NSH-6176
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 29.99
• 49 in stock
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NEW Arista FAN-7012MP-RED 7388X5 DCS-7388-CH ASY-06015-03 Medium Pwr Switch Fan
SKU: NSN-9141
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 79.99
• 88 in stock
Call if you need more