Your search for "qfx fan" revealed the following:

NEW Juniper QFX5110-48S-DC-AFO 48x 10GB SFP+ 4x 100GB QSFP28 F-B Air (DC) Switch

SKU: NSN-3623
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-48T-DC-AFO 48x MultiGB RJ45 6x 40GB QSFP+ F-B (DC) Switch

SKU: NSN-4198
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco FAN-T1 Switch Fan Module for Catalyst 3850 and 3650 Series

SKU: NSN-0382
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco N5K-C5696-FAN-B Front-to-Back Airflow (Port Side Intake) Fan Module

SKU: NSB-3226
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5110-48S-DC-AFI 48x 10GB SFP+ 4x 100GB QSFP28 B-F Air (DC) Switch

SKU: NSN-3622
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco UCS-FAN-6248UP UCS Series Server Fan Module

SKU: NSN-8978
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C6807-XL-FAN Catalyst 6807 Series Switch 9x Fan Tray

SKU: NSN-3096
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco ASR-920-FAN-M ASR920 Series Fan for Router Modular Chassis

SKU: NSN-9545
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C9404-FAN Catalyst 9400 Series 4 Slot Switch Chassis Fan Tray

SKU: NSN-5303
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5200-48Y-AFO 48x 25GB SFP28 6x 100GB QSFP28 F-B Air Switch

SKU: NSH-8257
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days