Your search for "ex3400-fan" revealed the following:
Juniper EX3400-FAN-AFO EX3400 Series Front-to-Back Airflow Switch Fan Module
SKU: NSH-8747
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 39.99
• Only 2 remaining
Call if you need more
Juniper EX3400-FAN-AFI EX3400 Series Back-to-Front Airflow Switch Fan Module
SKU: NSH-8746
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 132.99
• Only 2 remaining
Call if you need more
Juniper EX3400-48T 48x 1GB RJ45 4x 1GB SFP+ 2x 40GB QSFP+ F-B Airflow Switch
SKU: NSH-6838
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 934.99
• Only 2 remaining
Call if you need more
Juniper EX3400-24P 24x 1GB PoE+ RJ45 4x 10GB SFP+ 2x 40GB QSFP+ F-B Air Switch
SKU: NSH-8674
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 263.99
• 7 in stock
Call if you need more
Juniper EX3400-48T-AFI 48x 1GB RJ45 4x 1GB SFP+ 2x 40GB QSFP+ B-F Air Switch
SKU: NSH-8744
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 202.99
• 4 in stock
Call if you need more
NEW Juniper EX3400-48T-AFI 48x 1GB RJ45 4x 1GB SFP+ 2x QSFP+ B-F Air Switch
SKU: NSN-3989
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 723.99
• 7 in stock
Call if you need more
Juniper EX3400-24P-TAA 24x 1GB PoE+ RJ45 4x 10GB SFP+ 2x QSFP+ (TAA) Switch
SKU: NSH-8675
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper EX3400-48T-TAA 48x 1GB RJ45 4x 1GB SFP+ 2x 40GB QSFP+ (TAA) Switch
SKU: NSH-8745
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX3400-48T-TAA 48x 1GB RJ45 4x 1GB SFP+ 2x 40GB QSFP+ (TAA) Switch
SKU: NSN-3699
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX3400-48T 48x 1GB RJ45 4x 1GB SFP+ 2x 40GB QSFP+ F-B Air Switch
SKU: NSN-3978
Condition: New
Shipping: Overnight Options
Warranty: 365 days