Your search for "qfx fan" revealed the following:

Juniper QFX5100-FAN-AFO QFX5100 Series Front-to-Back Airflow Switch Fan Module

SKU: NSB-0159
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-FAN-AFO EX4600 Series Front-to-Back Air Switch Fan Module

SKU: NSN-1361
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5100-24Q-AA-AFO 24x 40GB QSFP+ 1x DW Slot Front-to-Back Air Switch

SKU: NSH-8233
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Nvidia Mellanox MTEF-FANF-C B-F (P2C) Fan for QM8700, SN3700, SN3700C, SN3420

SKU: NSB-6715
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5100-FAN-AFO EX4600 Series Front-to-Back Airflow Switch Fan Module

SKU: NSB-9326
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-24Q-AA-AFO 24x 40GB QSFP+ 1x DW Slot F-B Airflow Switch

SKU: NSN-3776
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-96S-AFI 96x 10GB SFP+ 8x 40GB QSFP+ Back-to-Front Air Switch

SKU: NSN-3818
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5200-32C-DC-AFI 32x 100GB QSFP28 Back-to-Front Airflow (DC) Switch

SKU: NSH-8254
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX3100-GBE-ACR QFX3100 Series Base Chassis AC Dual Disk Fabric Director

SKU: NSB-5803
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5130-32CD-AFO 400GB QSFP-DD Front-to-Back Airflow Switch

SKU: NSB-7921
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days