Your search for "qfx fan" revealed the following:
Juniper QFX10000-30C-M QFX 10000 Series 30x 100GB QSFP28 MACsec Switch Line Card
SKU: NSH-9971
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N3K-C3064-FAN Back-to-Front Airflow (Port Side Exhaust) Fan Tray
SKU: NSN-5079
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper JNP-FAN-1RU MX Series Router Fan Tray for MX204
SKU: NSN-0739
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C9407-FAN Catalyst 9400 Series 7 Slot Switch Chassis Fan Tray
SKU: NSN-4690
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
NEW Cisco N2K-C2232-FAN-B Nexus 2000 Front-to-Back Airflow Switch Fan Module
SKU: NSN-0396
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX-QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver
SKU: NSB-5039
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco ASR-9006-FAN-V2 ASR 9000 Series Router 2x Fan Tray
SKU: NSN-3448
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
Juniper JNP-FAN-1RU MX Series Router Fan Tray for MX204
SKU: NSH-7292
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days