Your search for "sfp-10g-er" revealed the following:

Juniper SFPP-10GE-ER 10GB BASE-ER LC 1550nm SMF LC SFP+ Transceiver

SKU: NSH-5002
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX-SFP-10GE-ER 10GB BASE-ER 1550nm SMF LR SFP+ Transceiver

SKU: NSB-2989
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper EX-SFP-10GE-ER 10GB BASE-ER 1550nm SMF SFP+ Transceiver

SKU: NSN-5117
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper SRX-SFP-10GE-ER 10GB BASE-ER 1550nm SMF SFP+ Transceiver

SKU: NSH-5031
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW HPE J9153A 10GB BASE-ER LC Optical SFP+ Transceiver

SKU: NSN-5060
Condition: New
Shipping: Overnight Options
Warranty: 365 days

HPE J9153A 10GB BASE-ER LC Extended Reach SMF LC SFP+ Transceiver

SKU: NSH-4874
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days