Your search for "sfp-1g" revealed the following:

Cisco C9300L-48UXG-4X-A 48x 1GB UPoE RJ45 (12x MultiGB) 4x 10GB SFP+ Switch

SKU: NSB-5289
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco A9K-24X10GE-1G-SE ASR 9000 24x 10GB SFP+ Router Line Card

SKU: NSH-6887
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco CBS350-24S-4G-NA 24x 1GB SFP 2x 1GB Combo 2x 1GB SFP Switch

SKU: NSN-0436
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper ACX500-AC 2x 1GB SFP 4x 1GB Combo Junos OS Router

SKU: NSB-3491
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

HPE 453153-001 453577-001 1GB BASE-SX 850nm MMF SFP Transceiver

SKU: NSB-1088
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper EX-SFP-GE10KT14R13 1GB BASE-BX TX 1490nm/RX 1310nm SMF SFP Transceiver

SKU: NSH-6955
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW HPE J9584A 3800 Series 3800-24SFP-2SFP+ 24x 1GB SFP 2x 10GB SFP+ Switch

SKU: NSN-4725
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco CBS350-24S-4G-NA 24x 1GB SFP 2x 1GB Combo 2x 1GB SFP Switch

SKU: NSB-7803
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 Extreme 16537 X440-G2-48t-10GE4-DC 48x 1GB RJ45 4x SFP+ 4x 1GB Combo Switch

SKU: NSN-4211
Condition: New
Shipping: Overnight Options
Warranty: 365 days