Your search for "ma-fan" revealed the following:

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

SKU: NSH-4613
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco C9300L-48PF-4G-A 48x 1GB Full PoE+ RJ45 4x 1GB SFP Net Advantage Switch

SKU: NSB-5263
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Ruckus Brocade ICX7750-FAN-E Fan Kit of 4 - F-B Airflow (Port Side Intake)

SKU: NSN-4952
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C9300L-24P-4G-A 24x 1GB PoE+ RJ45 4x 1GB SFP Switch

SKU: NSN-4971
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5110-FANAFI B-F Air Switch Fan for QFX5110, QFX5120 and EX4650

SKU: NSB-0370
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C9300L-48PF-4X-E 48x 1GB Full PoE+ RJ45 4x 10GB SFP+ Switch

SKU: NSN-8244
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco FAN-T3-F Catalyst 3850 B-F Airflow Switch Fan Module for the 3850-48XS

SKU: NSN-6869
Condition: New
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

Cisco C9300L-48UXG-4X-A 48x 1GB UPoE RJ45 (12x MultiGB) 4x 10GB SFP+ Switch

SKU: NSB-5289
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco C9300-48UB-E Catalyst 9300 48x 1GB UPoE RJ45 1x Exp Module Slot Switch

SKU: NSB-7381
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days