Your search for "QFX FAN" revealed the following:
Juniper QFX-PFA-4Q QFX Series 4x 40GB QSFP+ Packet Flow Accelerator Module
SKU: NSH-9445
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper JPSU-850W-DC-AFO QFX5100 Series 850W DC F-B Airflow Power Supply
SKU: NSB-0156
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
NEW Cisco NXA-FAN-35CFM-PI Nexus 9300 F-B Airflow (Port Side Intake) Switch Fan
SKU: NSN-3457
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Arista DCS-7308X-FM-F (Integrated Fan) Front-to-Back Airflow Fabric-X Module
SKU: NSH-9655
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper JPSU-850W-DC-AFI QFX5100 Series 850W DC B-F Airflow Power Supply
SKU: NSB-0157
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX5200-32C-DC-AFO 32x 100G QSFP28 Front-to-Back Airflow (DC) Switch
SKU: NSH-8255
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper JPSU-850W-AC-AFI 850W AC B-F PSU for QFX5100, QFX5120, QFX5200, ACX
SKU: NSB-0448
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX5110-32Q-AFO 32x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSN-2375
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C4KX-FAN-F Catalyst 4500-X Series Back-to-Front Cooling Switch Fan
SKU: NSN-6200
Condition: New
Shipping: Overnight Options
Warranty: 365 days