Your search for "QFX FAN" revealed the following:

NEW Cisco N5K-C5624Q 12x 40GB QSFP+ 1x GEM Slot Front-to-Back Air Switch Chassis

SKU: NSN-0327
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco Meraki MS450-12-HW 12x 40GB QSFP+ 2x 100GB QSFP28 Unclaimed Switch

SKU: NSN-3730
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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

SKU: NSH-6778
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Arista FAN-7001D-F 7280R Series Spare Front-to-Rear Air Switch Fan Module

SKU: NSN-6564
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell 6MY5N For S4048-ON Front To Back Airflow Switch Fan Module

SKU: NSB-3440
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco ASR-9922-FAN-V2 ASR 9000 Series Version 2 Router Fan Blade

SKU: NSN-3021
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148F-ON-RA 210-ALSR 48x SFP+ 4x QSFP28 2x QSFP+ B-F (No OS10) Switch

SKU: NSN-9931
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco N9K-C9504-FAN Nexus 9500 Series Switch Fan Tray

SKU: NSN-2861
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco ASR-9912-FAN ASR 9900 Series 9912 Router Fan Module

SKU: NSH-7098
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper JPSU-650W-DC-AFI 650W DC PSU EX4600 EX4650 QFX5100 QFX5110 QFX5120

SKU: NSN-0267
Condition: New
Shipping: Overnight Options
Warranty: 365 days