Your search for "ex4300-32f" revealed the following:
Juniper EX4300-32F 32x 1GB SFP 4x 10GB SFP+ 2x 40GB QSFP+ F-B Airflow Switch
SKU: NSH-4919
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX4300-32F 32x 1GB SFP 4x 10GB SFP+ 2x 40GB QSFP+ F-B Air Switch
SKU: NSN-2451
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper EX4300-32F-TAA 32x 1GB SFP 4x 10GB SFP+ 2x 40GB QSFP+ (TAA) Switch
SKU: NSH-8950
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper EX4300-32F-DC 32x 1GB SFP 4x 10GB SFP+ 2x 40GB QSFP+ F-B Air (DC) Switch
SKU: NSH-4920
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX4300-32F-DC 32x 1GB SFP 4x 10GB SFP+ 2x 40GB QSFP+ F-B (DC) Switch
SKU: NSN-3810
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX4300-32F-TAA 32x 1GB SFP 4x 10GB SFP+ 2x 40GB QSFP+ (TAA) Switch
SKU: NSN-3462
Condition: New
Shipping: Overnight Options
Warranty: 365 days