Your search for "qfx fan" revealed the following:
Juniper JNP-3000W-AC-AFO PTX Series 3000W AC F-B Airflow Switch Power Supply
SKU: NSB-2220
Condition: Seller refurbished
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 Cisco N9K-C9504-FAN Nexus 9500 Series Switch Fan Tray
SKU: NSN-2861
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco ME-FANTRAY-XL ME 3600X Series Switch Fan Tray Assembly
SKU: NSN-1441
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba J9832A 5400R zl2 Series Switch (6x Fan) Fan Tray
SKU: NSN-9006
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper JPSU-650W-DC-AFO 650W DC PSU EX4600 EX4650 QFX5100 QFX5110 QFX5120
SKU: NSN-0266
Condition: New
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
Juniper FFANTRAY-MX240-HC-S MX240 Series High Capacity Switch Fan Tray
SKU: NSH-9640
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4048-ON 48x 10GB SFP+ 6x 40GB QSFP+ Front-to-Back Air 210-ADUW Switch
SKU: NSN-1862
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4128F-ON-RA 210-ALTF 28x 10GB SFP+ 2x 100GB QSFP28 B-F Air OS10 Switch
SKU: NSN-8121
Condition: New
Shipping: Overnight Options
Warranty: 365 days