Your search for "qfx fan" revealed the following:

NEW Cisco Meraki MA-FAN-18K F-B Fan Module for MS350 MS355 MS425 and MS450

SKU: NSN-6118
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE Aruba JL481A CX 8320 Series Front-to-Back Airflow Switch Fan

SKU: NSN-5793
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE Aruba JL714A CX 8360 Series Front-to-Back Airflow Switch Fan Module

SKU: NSN-4812
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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

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

SKU: NSH-8211
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

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

SKU: NSB-7096
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell 743WY EMC S-Series Back-to-Front Airflow Switch Fan Module

SKU: NSB-6576
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-24Q-3AFI 24x 40GB QSFP+ 2x Mod Slot Back-to-Front Air Switch

SKU: NSN-2302
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX10000-36Q QFX 10000 Series 36x 40GB QSFP+ Switch Line Card

SKU: NSN-3791
Condition: New
Shipping: Overnight Options
Warranty: 365 days

HPE Aruba JL715A CX 8360 Series Back-to-Front Airflow Switch Fan Module

SKU: NSB-8115
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days