Your search for "sfp-10g-lr-s" revealed the following:
NEW Cisco SFP-10G-LR-S 10GB BASE-LR 1310nm Long Reach SMF SFP+ Transceiver
SKU: NSN-5213
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 314.99
• 7 in stock
Call if you need more
Cisco SFP-10G-LR-S 10GB BASE-LR 1310nm Long Reach SMF SFP+ Transceiver
SKU: NSH-7993
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 56.99
• 51 in stock
Call if you need more
NEW Ruckus 10G-SFPP-LR-S 10GB BASE-LR 1310nm SMF LC SFP+ Transceiver
SKU: NSN-0977
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 157.99
• 6 in stock
Call if you need more
Ruckus 10G-SFPP-LR-S 10GB BASE-LR 1310nm SMF LC SFP+ Transceiver
SKU: NSB-6525
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 146.99
• 5 in stock
Call if you need more