Your search for "ma-fan" revealed the following:
Juniper SRX3400-FAN-A SRX3400 Series 4x Fans / FanTray
SKU: NSH-6978
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco C9300L-24UXG-2Q-A 24x 1GB UPoE RJ45 (8x MultiGB) 2x 40GB QSFP+ Switch
SKU: NSB-5290
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C4KX-FAN-F Catalyst 4500-X Series Back-to-Front Cooling Switch Fan
SKU: NSN-6200
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Extreme Brocade BR-MLXE-4-FAN MLXe Series Exhaust Fan Assembly Kit
SKU: NSH-9223
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme XN-FAN-001-F VSP 7400 Series Front-to-Back Airflow Switch Fan
SKU: NSN-4653
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C9300-24UB-E Catalyst 9300 24x 1GB UPoE RJ45 1x Module Slot Switch
SKU: NSN-1312
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco C9300-48S-E Catalyst 9300 48x 1GB SFP 1x Expansion Module Slot Switch
SKU: NSB-7030
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX5100-FAN-AFO F-B Switch Fan Module for QFX5100 and EX4300 Series
SKU: NSN-5908
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C9300L-24T-4G-A 24x 1GB RJ45 4x 1GB SFP Switch
SKU: NSN-5300
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C9300L-48UXG-2Q-E 48x 1GB UPoE RJ45 (12x MultiGB) 2x QSFP+ Switch
SKU: NSN-6537
Condition: New
Shipping: Overnight Options
Warranty: 365 days