Your search for "qfx fan" revealed the following:

NEW Arista DCS-7050QX-32-R 32x 40GB QSFP+ Back-to-Front Airflow Switch

SKU: NSN-2835
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX-SFP-10GE-ER 10GB BASE-ER 1550nm SMF LR SFP+ Transceiver

SKU: NSB-2989
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper MX204-IR 8x 10GB SFP+ 4x 100GB QSFP28 F-B Airflow JUNOS IR Mode Router

SKU: NSB-5453
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX-SFP-1GE-LX 1GB BASE-LX 1310nm SMF LC SFP Transceiver

SKU: NSN-7733
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7280QR-C36-F 24x 40G QSFP+ 12x 100G QSFP F-R Airflow Switch

SKU: NSN-2371
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper JPSU-650W-AC-AFI 650W AC B-F PSU for EX4600 QFX5100 QFX5110 QFX5120

SKU: NSN-1367
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Arista DCS-7050S-64-F 48x 10GB SFP+ 4x 40GB QSFP+ F-to-B 2xAC Airflow Switch

SKU: NSH-5256
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Osi QFX-SFP-1GE-LX-OSI 1GB BASE-LXD SMF 1310nm Juniper Comp SFP Transceiver

SKU: NSB-1128
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Extreme SLX9740-40C ExtremeRouting SLX 9740 40x 100GB QSFP28 F-B Airflow Router

SKU: NSB-6384
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Ruckus Brocade ICX7650-48F-E2 24x 1GB SFP 24x 10GB SFP+ 4x QSFP+ F-B Air Switch

SKU: NSB-6287
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days