Your search for "sfp-1g" revealed the following:
NEW Cisco CWDM-SFP-1470 1GB BASE-CWDM Fibre Channel 1470nm SFP Transceiver
SKU: NSN-8014
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX-SFP-GE10KT14R13 1GB BASE-BX SMF SFP Transceiver
SKU: NSN-5921
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco DWDM-SFP-3033 1GB BASE-DWDM 1530.33 nm SMF LC SFP Transceiver
SKU: NSB-5991
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco WS-C2960L-SM-48PS 48x 1GB PoE+ RJ45 4x 1GB SFP Switch
SKU: NSH-4388
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX-SFP-1GE-SX 10GB BASE-SX 850nm MMF SFP+ Transceiver
SKU: NSH-9319
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco ASR-920-4SZ-A 2x 1GB RJ45 4x 10GB SFP+ AC Router w/ Metro Access
SKU: NSN-2298
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco CWDM-SFP-1470 1GB BASE-CWDM 1470nm 80km DOM SMF SFP Transceiver
SKU: NSB-2959
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
NEW Juniper RX-10KM-SFP 1GB BASE-LX 1310nm SMF SFP Transceiver
SKU: NSN-6598
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco WS-C3650-48PWS-S 48x 1GB PoE+ RJ-45 4x 1GB SFP IPB Switch w/ 5x APL
SKU: NSB-3567
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days