Your search for "QFX FAN" revealed the following:
NEW Arista DCS-7160-32CQ-F 32x 100GB QSFP100 Front-to-Back Airflow Switch
SKU: NSN-2384
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco A9K-9922-FAN-V2 ASR 9922 System v2 Router Fan Tray
SKU: NSH-7097
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Ruckus Brocade ICX7650-48P-E 48x 1GB PoE+ RJ45 4x 40GB QSFP+ F-B Air Switch
SKU: NSN-7960
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 10321 3m 40GB QSFP to 4x 10GB SFP+ Direct Attach Breakout Cable
SKU: NSN-5124
Condition: New
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
NEW HPE Aruba JL761A CX 6300 Series Fan Tray Switch
SKU: NSN-5857
Condition: New
Shipping: Overnight Options
Warranty: 365 days