Your search for "SFP-1G" revealed the following:
NEW Juniper RX-550M-SFP 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSN-7095
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco CBS350-8S-E-2G-NA 8x 1GB SFP 2x 1GB Combo Switch
SKU: NSB-7795
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Extreme 10052H 1GB BASE-LX 1310nm SMF LC SFP Transceiver
SKU: NSB-3473
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX-SFP-GE10KT13R14 1GB BASE-BX SMF SFP Transceiver
SKU: NSN-5468
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco C9200-48PB-A 48x 1GB PoE+ RJ45 1x Exp Mod Slot Enhanced VRF Switch
SKU: NSB-9200
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco DWDM-SFP-3661 1GB BASE-DWDM 1536.61nm SMF LC SFP Transceiver
SKU: NSB-6014
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper EX-SFP-GE10KT13R14 1GB BASE-BX TX 1310nm/RX 1490nm SMF SFP Transceiver
SKU: NSH-6953
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 16719 X460-G2-48p-GE4 48x 1GB PoE RJ45 4x SFP 1x VIM Slot Switch
SKU: NSN-3361
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco IE-4000-8S4G-E IE 4000 Series 8x FE SFP 4x 1GB Combo Switch
SKU: NSN-4030
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX-SFP-GE10KT15R13 1GB BASE-BX MMF SFP Transceiver
SKU: NSN-6922
Condition: New
Shipping: Overnight Options
Warranty: 365 days