Your search for "sfp-1g" revealed the following:
NEW Juniper PB-4GE-TYPE1-SFP-IQ2 4x 1GB SFP IQ2 Type 1 PIC Module
SKU: NSN-2854
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco C9400-LC-24S Catalyst 9400 24x 1GB SFP Switch Line Card
SKU: NSH-7059
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX-SFP-1GE-LH 1GB BASE-LH 1550nm SMF LC SFP Transceiver
SKU: NSN-7890
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco C9300L-48PF-4G-A 48x 1GB Full PoE+ RJ45 4x 1GB SFP Net Advantage Switch
SKU: NSB-5263
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
Cisco WS-C2960L-SM-48TS Catalyst 2960L 48x 1GB RJ45 4x 1GB SFP Switch
SKU: NSH-4367
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco ASR-920-4SZ-A 2x 1GB RJ45 4x 10GB SFP+ AC Router Metro Access Version
SKU: NSH-5771
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C9300L-48PF-4X-E 48x 1GB Full PoE+ RJ45 4x 10GB SFP+ Switch
SKU: NSN-8244
Condition: New
Shipping: Overnight Options
Warranty: 365 days
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
NEW Juniper EX-SFP-GE10KT13R15 1GB BASE-BX-U SMF SFP Transceiver
SKU: NSN-5740
Condition: New
Shipping: Overnight Options
Warranty: 365 days