Your search for "Juniper SFP-1GE" revealed the following:
Champion 1000SFP31B20L 1 Gigabit 1310nm SMF Single Strand Transceiver SFP
SKU: NSB-9034
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C6800-48P-SFP-XL Catalyst 6800 48x 1GB FC SFP Switch Module w/ DFC4XL
SKU: NSN-3593
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-148E-POE 48x (24x PoE+) RJ45 4x SFP Registrable / Unclaimed Switch
SKU: NSC-0179
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco ASR-920-12CZ-D 12x 1GB SFP 2x 10GB SFP+ DC Router Adv Metro IP Access
SKU: NSB-6947
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Ruckus ICX7150-48ZP-E2X10G 16x 2.5GB PoH 32x 1GB PoE+ 6x SFP 2x SFP+ Switch
SKU: NSN-7948
Condition: New
Shipping: Overnight Options
Warranty: 365 days