Your search for "slx fan" revealed the following:
Dell 3HC75 EMC S-Series Back-to-Front Airflow Switch Fan Module
SKU: NSB-6577
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 72.99
• Only 2 remaining
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Ruckus Brocade ICX7750-FAN-I Fan Kit of 4 - B-F Airflow (Port-Side Exhaust)
SKU: NSH-7013
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 64.99
• 10 in stock
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NEW Cisco NXA-FAN-30CFM-B Nexus 2000 Front-to-Back Airflow Switch Fan Module
SKU: NSN-2428
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 41.99
• Only 2 remaining
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NEW Extreme Brocade BR-MLXE-16-FAN MLXe Series Exhaust Fan Assembly Kit
SKU: NSN-9262
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 254.99
• Only 2 remaining
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NEW Ruckus ICX-FAN12-E Front-to-Back Airflow Fan for ICX 7650 7550 7850
SKU: NSN-7968
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 287.99
• Only 2 remaining
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HPE Aruba JL628A CX 8325 Series Front-to-Back Airflow Switch Fan
SKU: NSH-9537
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 817.99
• Only 2 remaining
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Juniper EX4500-FANTRAY-BF EX4500 Series Back-to-Front Airflow Switch Fan
SKU: NSH-8956
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 764.99
• Only 2 remaining
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Ruckus ICX-FAN12-I Back-to-Front Airflow Fan for ICX 7650 7550 7850
SKU: NSB-6323
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 245.99
• 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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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
Call if you need more