Your search for "SFP-1G" revealed the following:
Osi QFX-SFP-1GE-LX-OSI 1GB BASE-LXD SMF 1310nm Juniper Comp SFP Transceiver
SKU: NSB-1128
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper EX-SFP-1GE-LX40K 1GB BASE-LX 1310nm SMF SFP Transceiver
SKU: NSH-4932
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco Meraki MS130-48X-HW 40x 1G 8x 2.5G PoE+ 4x 10GB SFP+ Unclaimed Switch
SKU: NSN-0494
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper SRX-SFP-1GE-LX 1GB BASE-LX LC Optical SFP Transceiver
SKU: NSH-5019
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper EX-SFP-GE40KT13R15 1GB BASE-BX TX 1310nm/RX 1550nm SMF SFP Transceiver
SKU: NSH-6957
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C9300L-24T-4X-E 24x 1GB RJ45 4x 10GB SFP+ Switch
SKU: NSN-5298
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco CWDM-SFP-1570 1GB BASE-CWDM SMF 1570nm LC SFP Transceiver
SKU: NSH-3901
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX-SFP-1GE-SX-ET 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSN-5423
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco ASR1002X-20G-SECK9 ASR 1002 X Series 6x 1G SFP 3x SPA Router
SKU: NSN-2354
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco ISR1100X-6G ISR 1000 Series 4x 1GB RJ-45 2x 1GB SFP Router
SKU: NSB-1186
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days